Name: PLT5170-08-03
Brand: Monogram

PLT5170-08-03 decoded
Family	Visu-Lok (Monogram)
Head style	Flush head (100° flush head series) (source: Monogram Visu-Lok II brochure, p.7 "Visu-Lok II, 100° flush head series"; p.8 part number code (1 = flush head))
Nominal diameter	1/4" (-8)
Grip	nominal grip 0.188" (3/16), grip range .157-.219" (brochure Table 3)
Material	Titanium (light gray drive nut). Table 4: nut & screw 6Al-4V titanium, sleeve 303 or 304 CRES

Decoded from the published numbering scheme; not a claim that this exact dash number is a stocked SKU, and not a certified design authority. Always verify against the controlling drawing, spec, and your stress group.

Series and strength (datasheet)

PLT5 series · e.g. PLT5170-06-05 (100° flush head, titanium) / PLT5270 (hex head, titanium)

Rated 75 KSI (titanium, Monogram catalog chart); "as high as 112 K.S.I. available" (Visu-Lok II brochure p.2); double shear by material on brochure p.4.

Datasheet (PDF) ↗

PLT5170 grip chart: 1/4" (-8)

10 grips

Every catalogued max-grip dash number at this diameter. Stack thickness must fall inside the fastener's grip range: see the design calculators.

PLT5170-08-03 PLT5170-08-04 PLT5170-08-05 PLT5170-08-06 PLT5170-08-07 PLT5170-08-08 PLT5170-08-09 PLT5170-08-10 PLT5170-08-11 PLT5170-08-12

Other diameters at this grip:

PLT5170-06-03

Expanded view of the fastener (screw, sleeve and nut), with parts broken away and in axial section to show the construction.US 3,643,544, High-strength structural blind fastener for use in airplanes, rockets and the like (Massa), Fig. 2 ↗ · US patent drawingWhy this family: US 4,836,062: "The Visu-Lok type of blind fastener is disclosed in U.S. Pat. No. 3,643,544." Huck's US 5,603,592: fasteners of the type shown in 3,643,544 "have been sold under the trade names Visu-Lok and/or Jo-Bolt". Joseph H. Massa, National Screw and Manufacturing Co., 1972.

Axial sectional view, with portions in elevation, showing the fastener in position in two members to be secured together. — Expanded view of the fastener (screw, sleeve and nut), with parts broken away and in axial section to show the construction.US 3,643,544, High-strength structural blind fastener for use in airplanes, rockets and the like (Massa), Fig. 2 ↗ · US patent drawingWhy this family: US 4,836,062: "The Visu-Lok type of blind fastener is disclosed in U.S. Pat. No. 3,643,544." Huck's US 5,603,592: fasteners of the type shown in 3,643,544 "have been sold under the trade names Visu-Lok and/or Jo-Bolt". Joseph H. Massa, National Screw and Manufacturing Co., 1972.

Install tooling

Install tooling: MP550DN-8AA (Monogram PLT5002 Rev N (Visu-Lok II install spec), p.4, Table 1) · proprietary

MGF-08 Flush head round gage (break-off check), PLT 5110, 5150, 5170

Visu-Lok tool tables

Decode details

Decode details
Series	Visu-Lok II (Monogram)
Decode confidence	high
Numbering source	Monogram Visu-Lok II brochure p.7-12 (part number code, Tables 1-4)

PLT 5 [head] [material] [shank]-[nominal dia in 1/32" increments]-[grip dash no. in 1/16" increments] (brochure p.8 / p.10).
"D" dia shank configuration: standard dia.

Government reference cross-reference (DLA FLIS)

not listed under this PN

PLT5170-08-03 is not listed in FLIS under this exact part number (FLIS data as of 2025-03-18, March 2025 snapshot). FLIS may record it with a material or finish code, or under the standard part number.

Source: DLA PUB LOG ↗. Search any part number in the decoder.

Cross-reference PLT5170-08-03

Visu-Lok by Monogram, hex-drive blind bolt
Datasheet (PDF) ↗
Manufacturer page ↗
Numbering: Monogram Visu-Lok II brochure p.7-12 (part number code, Tables 1-4) ↗

Lead-time risk for this family (SpecLok sourcing assessment): High

Supply signal

not in FLIS by this PN; no SpecLok quotes yet

Supply signalfor this part number

Not listed in FLIS under this exact part number (March 2025 snapshot).
No SpecLok quotes yet.

A signal from records SpecLok holds, not availability, stock or a lead-time promise. FLIS lists who has recorded a part number for the item, not who makes it today. DoD awards carry no NSN or part number, so award activity is for the item name's class.

Sources: DLA FLIS Data Electronic Reading Room (PUB LOG) ↗, DLA PUB LOG ↗, USAspending.gov award search API ↗; DoD award data 2025-10-01 to 2026-07-06; compiled 2026-10-02.