Home · NSN 00-527-1987

NSN 00-527-1987 — Ring,Retaining

NIIN 00-527-1987 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 00-527-1987 is the national stock number for a ring,retaining. It cross-references to 6 manufacturer part numbers from 6 CAGE codes, including Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M, Hamilton Sundstrand Corporation, Society Of Automotive Engineers Inc; the primary is 3415-237S. The unit of issue is EA and the FLIS list price is $1.20.

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 6 CAGEs

open solicitations, all agencies

government buys in 24 months

sellers with confirmed stock

Know someone who should see this?

Cross-references

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

Part number	CAGE	Manufacturer	Reference	Variation
M2742630157D	81349	Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M	2 · Item ident. reference	2 · Fully interchangeable
3415-237S	99167	Hamilton Sundstrand Corporation	5 · Secondary reference	1 · Not fully interchangeable
AS3217-157	81343	Society Of Automotive Engineers Inc	5 · Secondary reference	9 · Reference only
AS3217-157	0U583	Sae International	5 · Secondary reference	1 · Not fully interchangeable
RD15951-237S	80756	Spirolox Inc	5 · Secondary reference	1 · Not fully interchangeable
RR237S	80756	Spirolox Inc	5 · Secondary reference	1 · Not fully interchangeable
M274263-157D	D9182	Zf Industrieantriebe Witten Gmbh	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 3415-237S.

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

DLA management data

FLIS unit price: $1.20
Unit of issue: EA
Acquisition advice: Z — Insurance item
Source of supply: SMS
Effective: Oct 1, 2025

Item characteristics

Inside Diameter: INCHES NOMINAL 2.200
Casehardening Indicator: NOT CASE-HARDENED
Outside Diameter: INCHES NOMINAL 2.476
Major Thickness: INCHES NOMINAL 0.048
Usage Design: INTERNAL
Material Hardness Rating: ROCKWELL SUPERFICIAL 30-N MINIMUM 59.3 AND ROCKWELL SUPERFICIAL 30-N MAXIMUM 67.2
Strength Rating: POUNDS PER SQUARE INCH (PSI) MINIMUM TENSILE 185000.0
Material: STEEL COMP 302
Material Document And Classification: ASSN STD SINGLE MATERIAL RESPONSE AISI,302

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.