Home · NSN 01-728-8207

NSN 01-728-8207 — Screw,Shoulder

NIIN 01-728-8207 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS

NSN 01-728-8207 is the national stock number for a screw,shoulder. It cross-references to 5 manufacturer part numbers from 4 CAGE codes, including National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use, Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M, Electric Boat Corporation; the primary is 218117569. The unit of issue is EA and the FLIS list price is $93.18.

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 numbers from 4 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
MS51975K57	80205	National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use	3 · Design control (vendor)	2 · Fully interchangeable
MS51975K57	96906	Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M	5 · Secondary reference	9 · Reference only
218117569	96169	Electric Boat Corporation	C	1 · Not fully interchangeable
752-8838722-39	53711	Naval Sea Systems Command	C	1 · Not fully interchangeable
LSA001388-39	96169	Electric Boat Corporation	C	1 · Not fully interchangeable
R8320340-39	96169	Electric Boat Corporation	C	1 · Not 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 218117569.

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

DLA management data

FLIS unit price: $93.18
Unit of issue: EA
Acquisition advice: J — Not stocked, central procurement
Source of supply: SMS
Effective: Oct 1, 2026

Item characteristics

Thread Class: 3A
Thread Direction: RIGHT-HAND
Thread Length: INCHES MINIMUM 0.845 AND INCHES MAXIMUM 0.875
Fastener Length: INCHES MINIMUM 3.345 AND INCHES MAXIMUM 3.375
Head Diameter: INCHES MINIMUM 0.977 AND INCHES MAXIMUM 1.000
Head Height: INCHES MINIMUM 0.490 AND INCHES MAXIMUM 0.500
Shoulder Diameter: FIRST SHOULDER INCHES MINIMUM 0.7460 AND INCHES MAXIMUM 0.7480
Shoulder Length: FIRST SHOULDER INCHES MINIMUM 2.495 AND INCHES MAXIMUM 2.505
Nominal Thread Diameter: INCHES 0.6250
Width Across Flats: INCHES NOMINAL 0.375
Thread Quantity Per Inch: 11
Chamfer Angle: DEGREES MINIMUM 30.0 AND DEGREES MAXIMUM 45.0
Shoulder Shape: FIRST SHOULDER ROUND
Part Name Assigned By Controlling Agency: SCREW, SHOULDER, SOCKET HEAD, HEXAGON ALLOY STEEL OR NONFERROUS ALLOYS, UNC-3A
Material: OVERALL NICKEL ALLOY 502 AND NICKEL ALLOY K-500
Material Document And Classification: OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-N-286 SOLUTION ANNEALED AND AGE HARDENED
Surface Treatment: OVERALL CADMIUM
Surface Treatment Document And Classification: OVERALL INTERNATIONAL STD/SPEC SINGLE TREATMENT RESPONSE A-S-QQ--416
Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
Specification/Standard Data: PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD 80205-NAS-51975

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.