Seat, Retainer1015-01-229-5446

NSN 1015-01-229-5446 · NIIN 012295446 · Part number 20539

Real-Time Laboratories, Llc · FSC 1015 — Guns, 75mm Through 125mm · FSG 10 — Weapons · CAGE 62319

Government record, cited

NSN 1015-01-229-5446 — this item is cataloged by the U.S. Government under National Stock Number 1015-01-229-5446. Manufacturer of record part number: 20539.

Also searched as 1015-01-229-5446 · 1015012295446 · NIIN 012295446 · 01-229-5446 · FSC 1015 Guns, 75mm Through 125mm · CAGE 62319 · 20539

Nearby stock numbers ← 1015-01-229-5445 Sleeve · 1015-01-229-5447 Retainer →

Features

Seat,retainer — FSC 1015
1 manufacturer part number on file
Manufacturer of record: Real-Time Laboratories, Llc

Identification

NSN: 1015-01-229-5446
NIIN: 012295446
FSC: 1015 — Guns, 75mm Through 125mm
FSG: 10 — Weapons
Primary part number: 20539
Manufacturer: Real-Time Laboratories, Llc

General Description

The Seat,retainer, cataloged under National Stock Number 1015-01-229-5446, is classified within Federal Supply Class 1015 (Guns, 75mm Through 125mm) of the Weapons group. The manufacturer of record is Real-Time Laboratories, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Seat,retainer
FSC / FSG	1015 — Guns, 75mm Through 125mm (FSG 10)
Manufacturers	Real-Time Laboratories, Llc (CAGE 62319)

Technical Specifications

Parameter	Value
NSN	1015-01-229-5446
Primary Part Number	20539
Item Name	Seat,retainer
FSC / FSG	1015 / 10 — Guns, 75mm Through 125mm
Manufacturer	Real-Time Laboratories, Llc
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL B — Remove Demilitarization Key Points
Hazard	No hazard code in the DLA record (HMIC N)

⇄ Related Items 2

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

6850-01-378-0235 POSSIBLE MATCH

SEALER,CHEMICAL

Possible match (shared part number)

4720-01-389-251720539 POSSIBLE MATCH

HOSE,PREFORMED

Possible match (shared part number)Gates Corporation

Cross-Reference Index

Part Number	Manufacturer
20539 PRIMARY	Real-Time Laboratories, Llc (USA)

Related Parts

6850-01-378-0235POSSIBLE MATCH

SEALER,CHEMICAL

4720-01-389-2517POSSIBLE MATCH

HOSE,PREFORMED

20539

Frequently Asked Questions

What is NSN 1015-01-229-5446?

NSN 1015-01-229-5446 is a Seat,retainer, manufactured by Real-Time Laboratories, Llc, classified under FSC 1015, Guns, 75mm Through 125mm. Status: active.

What part numbers are listed for NSN 1015-01-229-5446?

NSN 1015-01-229-5446 has 1 manufacturer part number on file: 20539 (Real-Time Laboratories, Llc).

What NSN replaces 1015-01-229-5446?

2 possible matches (shared part number, not a government interchangeability claim): 6850-01-378-0235, 4720-01-389-2517. Verify interchangeability with system specifications before substitution.

Is NSN 1015-01-229-5446 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.

What is the DEMIL code for NSN 1015-01-229-5446?

NSN 1015-01-229-5446 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.

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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