NSN 4820-00-696-6451 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-696-6451. Manufacturer of record part number: 135477.
Also searched as4820-00-696-6451 ·
4820006966451 ·
NIIN 006966451 ·
00-696-6451 ·
FSC 4820 Valves, Nonpowered · CAGE 64547 · 135477
Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Material Document and Classification: QQ-A-591 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Surface Treatment: ANODIZE OVERALL
Material: ALUMINUM ALLOY OVERALL
2 manufacturer part numbers on file
Manufacturer of record: Honeywell International, Inc Div Aerospace-Tucson
Identification
NSN: 4820-00-696-6451
NIIN: 006966451
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 135477
Manufacturer: Honeywell International, Inc Div Aerospace-Tucson
General Description
The Seat,valve, cataloged under National Stock Number 4820-00-696-6451, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Honeywell International, Inc Div Aerospace-Tucson. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-00-696-6451
Primary Part Number
135477
Item Name
Seat,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Honeywell International, Inc Div Aerospace-Tucson
Status
ACTIVE
Surface Treatment Document and Classification
MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Material Document and Classification
QQ-A-591 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Honeywell International, Inc Div Aerospace-Tucson (USA)
Reference documents
Reference
Meaning
135477
5/9Secondary reference
Alliedsignal Inc Dba Allied-Signal Aerospace Co
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-00-696-6451?
NSN 4820-00-696-6451 is a Seat,valve, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-696-6451?
NSN 4820-00-696-6451 has 2 manufacturer part numbers on file: 135477 (Honeywell International Inc. Div Aerospace - Torrance), 135477 (Honeywell International, Inc Div Aerospace-Tucson).
What are the specifications of 135477?
Key specifications for 135477: Overall Height: 0.295 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: QQ-A-591 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Surface Treatment: ANODIZE OVERALL. 4 specifications are documented in the U.S. Government catalog.
Is NSN 4820-00-696-6451 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.