Ring, Retaining5325-00-810-5430

NSN 5325-00-810-5430 · NIIN 008105430 · Part number A16171-8P

Falls Filtration Technologies, Inc. · FSC 5325 — Fastening Devices · FSG 53 — Hardware and Abrasives · CAGE 00736

Government record, cited

NSN 5325-00-810-5430 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-810-5430. Manufacturer of record part number: A16171-8P.

Also searched as 5325-00-810-5430 · 5325008105430 · NIIN 008105430 · 00-810-5430 · FSC 5325 Fastening Devices · CAGE 00736 · A16171-8P

Nearby stock numbers ← 5325-00-810-5427 · 5325-00-810-5572 Insert, Screw Thread →

Features

Ring,retaining — FSC 5325
Usage Design: EXTERNAL
End Style: D SHAPE ABOVE INSIDE PERIPHERY
Cross-Sectional Shape Style: RECTANGULAR
Outside Diameter: 0.439 INCHES NOMINAL IN
Major Thickness: 0.046 INCHES NOMINAL IN
Inside Diameter: 0.347 INCHES NOMINAL IN
Casehardening Indicator: NOT CASEHARDENED

Identification

NSN: 5325-00-810-5430
NIIN: 008105430
FSC: 5325 — Fastening Devices
FSG: 53 — Hardware and Abrasives
Primary part number: A16171-8P
Manufacturer: Falls Filtration Technologies, Inc.

General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-810-5430, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Falls Filtration Technologies, Inc.. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5325-00-810-5430
Primary Part Number	A16171-8P
Item Name	Ring,retaining
FSC / FSG	5325 / 53 — Fastening Devices
Manufacturer	Falls Filtration Technologies, Inc.
Status	ACTIVE
Usage Design	EXTERNAL
End Style	D SHAPE ABOVE INSIDE PERIPHERY
Cross-Sectional Shape Style	RECTANGULAR
Outside Diameter	0.439 INCHES NOMINAL IN
Major Thickness	0.046 INCHES NOMINAL IN
Inside Diameter	0.347 INCHES NOMINAL IN
Casehardening Indicator	NOT CASEHARDENED
Ring Style	STRAIGHT GAP
Surface Treatment	PHOSPHATE
Material	STEEL

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
A16171-8P	Satair A/s (DNK)
A16171-8P PRIMARY	Falls Filtration Technologies, Inc. (USA)

No interchangeability data on file.

Other items in FSC 5325 — Fastening Devices

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5325-00-000-1884

5325-00-000-1884 · Item name not on file

5325-00-000-9988

5325-00-000-9988 · Item name not on file

5325-00-001-1567

RING,RETAINING

5325-00-001-2043

FASTENER,PANEL

5325-00-001-3842

RING,RETAINING

5325-00-001-3858

5325-00-001-3858 · Item name not on file

5325-00-001-3871

RING,RETAINING

5325-00-001-4317

RING,RETAINING

Frequently Asked Questions

What is NSN 5325-00-810-5430?

NSN 5325-00-810-5430 is a Ring,retaining, manufactured by Falls Filtration Technologies, Inc., classified under FSC 5325, Fastening Devices. Status: active.

What part numbers are listed for NSN 5325-00-810-5430?

NSN 5325-00-810-5430 has 2 manufacturer part numbers on file: A16171-8P (Satair A/s), A16171-8P (Falls Filtration Technologies, Inc.).

What are the specifications of A16171-8P?

Key specifications for A16171-8P: Usage Design: EXTERNAL; End Style: D SHAPE ABOVE INSIDE PERIPHERY; Cross-Sectional Shape Style: RECTANGULAR; Outside Diameter: 0.439 INCHES NOMINAL IN. 10 specifications are documented in the U.S. Government catalog.

Is NSN 5325-00-810-5430 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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