Home · NSN 01-431-3175

NSN 01-431-3175 — Pin,Tapered,Threaded

NIIN 01-431-3175 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 01-431-3175 is the national stock number for a pin,tapered,threaded. It cross-references to 3 manufacturer part numbers from 2 CAGE codes, including Circor Naval Solutions LLC, Worcester Taper Pin Corp; the primary is AN386-4-12A. The unit of issue is EA and the FLIS list price is $216.23.

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 2 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
AN38600412AR037A	63857	Circor Naval Solutions LLC	3 · Design control (vendor)	2 · Fully interchangeable
AN386-4-12A	87833	Worcester Taper Pin Corp	5 · Secondary reference	9 · Reference only
PL-999D0838 PC N0 20	63857	Circor Naval Solutions LLC	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 AN386-4-12A.

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

DLA management data

FLIS unit price: $216.23
Unit of issue: EA
Acquisition advice: Z — Insurance item
Source of supply: SMS
Effective: Oct 1, 2025

Item characteristics

Thread Class: 3A
Thread Direction: RIGHT-HAND
Thread Length: INCHES MINIMUM 0.500 AND INCHES MAXIMUM 0.531
Taper Length: INCHES MINIMUM 1.609 AND INCHES MAXIMUM 1.641
Taper Minor Diameter: INCHES MINIMUM 0.353 AND INCHES MAXIMUM 0.357
Taper Major Diameter: INCHES MINIMUM 0.400 AND INCHES MAXIMUM 0.435
First Hole Diameter: INCHES MINIMUM 0.076 AND INCHES MAXIMUM 0.086
Distance From Centerline Of Hole To End Of Pin: INCHES MINIMUM 0.172 AND INCHES MAXIMUM 0.203
Grip Length: INCHES MINIMUM 1.484 AND INCHES MAXIMUM 1.516
Second End Relationship With First End: NOT IDENTICAL
Nominal Thread Size: INCHES 0.312
Taper: PER FOOT IN INCHES 0.500
First End Location: TAPERED END
Material: OVERALL STEEL COMP 2330 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130
Material Document And Classification: OVERALL FED SPEC 1ST MATERIAL RESPONSE QQ-S-689 OR FED STD 10TH MATERIAL RESPONSE IL-S-6049 OR MIL SPEC 10TH MATERIAL RESPONSE IL-S-6050 OR MIL STD 10TH MATERIAL RESPONSE IL-S-6098 OR MFR REF
Surface Treatment: OVERALL CADMIUM
Surface Treatment Document And Classification: OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416, TY 1, CL 3
Thread Series Designator: UNF

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.