Home · NSN 01-672-3742

NSN 01-672-3742 — Screw,Shoulder

NIIN 01-672-3742 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS

Used on: B-52 Stratofortress · all platforms

NSN 01-672-3742 is the national stock number for a screw,shoulder. It cross-references to 1 manufacturer part number from 7 CAGE codes, including The Boeing Company, Sps Technologies, LLC, Hi-Shear Corporation; the primary is BACB30EW42-10. The federal catalog ties it to the B-52 Stratofortress. The unit of issue is EA and the FLIS list price is $518.94.

No government purchase of this stock number is on our record yet. No seller has confirmed stock of it here in the last 60 days; watching the number is free and the first listing triggers an alert.

part number from 7 CAGEs

open solicitations, all agencies

government buys in 24 months

sellers with confirmed stock

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Cross-references

Part numbers filed against this stock number, with the manufacturer (CAGE) and the FLIS reference codes.

Part number	CAGE	Manufacturer	Reference	Variation
BACB30EW42-10	81205	The Boeing Company	3 · Design control (vendor)	2 · Fully interchangeable
BACB30EW42-10	56878	Sps Technologies, LLC	5 · Secondary reference	2 · Fully interchangeable
BACB30EW42-10	73197	Hi-Shear Corporation	5 · Secondary reference	2 · Fully interchangeable
BACB30EW42-10	1RC86	Howmet Global Fastening Systems Inc	5 · Secondary reference	2 · Fully interchangeable
BACB30EW42-10	9N513	Voi-Shan/Chatsworth Div Of Vsi Corp Sub Of Fairchild Industries Inc	5 · Secondary reference	9 · Reference only
BACB30EW42-10	06950	Howmet Global Fastening Systems Inc	5 · Secondary reference	2 · Fully interchangeable
BACB30EW42-10	17446	Huck International, Inc	5 · Secondary reference	2 · Fully interchangeable

Government demand

Nothing open right now. Watch this NSN and we will email you when it is solicited.

What the government paid

No government purchase on record for this NSN.

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices.

Sellers with confirmed stock

No seller has confirmed stock on this NSN in the last 60 days. Watch it and we will email you when one does, or request a quote on BACB30EW42-10.

Listings appear here only while the seller has confirmed them within 60 days. Sellers: list this part free.

DLA management data

FLIS unit price: $518.94
Unit of issue: EA
Acquisition advice: J — Not stocked, central procurement
Source of supply: SMS
Effective: Jan 1, 2026

Item characteristics

Thread Class: 3A
Thread Direction: RIGHT-HAND
Thread Length: INCHES NOMINAL 0.316
Fastener Length: INCHES NOMINAL 0.941
Head Diameter: INCHES MINIMUM 0.445 AND INCHES MAXIMUM 0.510
Shoulder Diameter: ALL SHOULDERS INCHES NOMINAL 0.2802
Shoulder Length: ALL SHOULDERS INCHES NOMINAL 0.625
End Item Identification: B-52 AIRCRAFT
Nominal Thread Diameter: INCHES 0.250
Thread Quantity Per Inch: 28
Countersink Angle: DEGREES MINIMUM 99.0 AND DEGREES MAXIMUM 101.0
Shoulder Shape: ALL SHOULDERS ROUND
Material: OVERALL STEEL COMP E4340 OR STEEL COMP 8740 OR STEEL COMP 601
Material Document And Classification: OVERALL MIL SPEC 1ST MATERIAL RESPONSE -IL-S-5000 OR MIL SPEC 2ND MATERIAL RESPONSE -IL-S-6049 OR ASSN STD 3RD MATERIAL RESPONSE A-S 6322
Proprietary Characteristics: PACS
Surface Treatment: OVERALL NICKEL AND CADMIUM
Surface Treatment Document And Classification: OVERALL ASSN STD SINGLE TREATMENT RESPONSE A-S 2416
Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF)

About this page

An NSN is 13 digits: the 4-digit Federal Supply Class and the 9-digit NIIN. Cross-references come from the federal logistics record; demand from DLA DIBBS, SAM.gov and FPDS; ADs from the Federal Register. Refreshed nightly. Market Pulse shows the whole market.