Seat, Valve4810-01-199-5518

NSN 4810-01-199-5518 · NIIN 011995518 · Part number 12321815

U S Army Tank Automotive Command Amsta-Im-Mm · FSC 4810 — Valves, Powered · FSG 48 — Valves · CAGE 19207

Government record, cited

NSN 4810-01-199-5518 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-199-5518. Manufacturer of record part number: 12321815.

Also searched as 4810-01-199-5518 · 4810011995518 · NIIN 011995518 · 01-199-5518 · FSC 4810 Valves, Powered · CAGE 19207 · 12321815

Nearby stock numbers ← 4810-01-199-5437 Seat, Valve · 4810-01-199-5633 Divider, Fuel, Flow →

4810-01-199-5518 — Valves, Powered

Features

Seat,valve — FSC 4810
Body Outside Diameter: 1.753 INCHES MINIMUM AND 1.754 INCHES MAXIMUM IN
Hardness Rating: 60.0 ROCKWELL C NOMINAL OVERALL
Style Designator: PLAIN
Body Inside Diameter: 1.180 INCHES MINIMUM AND 1.190 INCHES MAXIMUM IN
Seat Radius: 0.590 INCHES MINIMUM AND 0.595 INCHES MAXIMUM IN
Material: STEEL COMP 1211 OR STEEL COMP 1213 OVERALL
Seat Angle in Deg: 55.000 MINIMUM AND 60.000 MAXIMUM

Identification

NSN: 4810-01-199-5518
NIIN: 011995518
FSC: 4810 — Valves, Powered
FSG: 48 — Valves
Primary part number: 12321815
Manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm

General Description

The Seat,valve, cataloged under National Stock Number 4810-01-199-5518, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4810-01-199-5518
Primary Part Number	12321815
Item Name	Seat,valve
FSC / FSG	4810 / 48 — Valves, Powered
Manufacturer	U S Army Tank Automotive Command Amsta-Im-Mm
Status	ACTIVE
Body Outside Diameter	1.753 INCHES MINIMUM AND 1.754 INCHES MAXIMUM IN
Hardness Rating	60.0 ROCKWELL C NOMINAL OVERALL
Style Designator	PLAIN
Body Inside Diameter	1.180 INCHES MINIMUM AND 1.190 INCHES MAXIMUM IN
Seat Radius	0.590 INCHES MINIMUM AND 0.595 INCHES MAXIMUM IN
Material	STEEL COMP 1211 OR STEEL COMP 1213 OVERALL
Seat Angle in Deg	55.000 MINIMUM AND 60.000 MAXIMUM
Seating Surface Shape	ANGULAR

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
12321815 PRIMARY	U S Army Tank Automotive Command Amsta-Im-Mm (USA)

No interchangeability data on file.

Other items in FSC 4810 — Valves, Powered

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

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4810-00-001-4532

4810-00-001-4532 · Item name not on file

4810-00-001-4554

4810-00-001-4554 · Item name not on file

4810-00-001-4555

4810-00-001-4555 · Item name not on file

4810-00-001-4556

4810-00-001-4556 · Item name not on file

4810-00-001-4611

4810-00-001-4611 · Item name not on file

Frequently Asked Questions

What is NSN 4810-01-199-5518?

NSN 4810-01-199-5518 is a Seat,valve, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4810, Valves, Powered. Status: active.

What part numbers are listed for NSN 4810-01-199-5518?

NSN 4810-01-199-5518 has 1 manufacturer part number on file: 12321815 (U S Army Tank Automotive Command Amsta-Im-Mm).

What are the specifications of 12321815?

Key specifications for 12321815: Overall Height: 0.395 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN; Body Outside Diameter: 1.753 INCHES MINIMUM AND 1.754 INCHES MAXIMUM IN; Hardness Rating: 60.0 ROCKWELL C NOMINAL OVERALL; Style Designator: PLAIN. 8 specifications are documented in the U.S. Government catalog.

Is NSN 4810-01-199-5518 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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