NSN 4820-01-248-0879 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-248-0879. Manufacturer of record part number: 776931.
Also searched as4820-01-248-0879 ·
4820012480879 ·
NIIN 012480879 ·
01-248-0879 ·
FSC 4820 Valves, Nonpowered · CAGE 77445 · 776931
Nearby stock numbers← 4820-01-248-0878 Valve, Relief, Pressure and Temper
·
4820-01-248-0942 Sleeve, Directional Control Linea →
4820-01-248-0879 — Valves, Nonpowered
Features
Valve,relief,pressure and Temper — FSC 4820
Criticality Code Justification: FEAT
3 manufacturer part numbers on file
Manufacturer of record: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Identification
NSN: 4820-01-248-0879
NIIN: 012480879
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 776931
Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description
The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-248-0879, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 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
4820-01-248-0879
Primary Part Number
776931
Item Name
Valve,relief,pressure and Temper
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
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 4820-01-248-0879?
NSN 4820-01-248-0879 is a Valve,relief,pressure and Temper, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-248-0879?
NSN 4820-01-248-0879 has 3 manufacturer part numbers on file: 776931 (Rtx Corporation Div Pratt & Whitney), 776931 (Bc Technical Center, Llc Dba Bc Engineered Products), 776931 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
What are the specifications of 776931?
Key specifications for 776931: Criticality Code Justification: FEAT; Special Features: DUE TO CRITICAL FEATURES, TOLERANCES, FIT RESTRICTIONS, MATERIAL PROPERTIES AND MANUFACTURING PROCESS, FAILURE COULD RESULT IN LOSS OR SUBSTANTIAL DAMAGE TO WEAPON SYSTEM, DEATH OR SERIOUS INJURY; End Item Identification: USED ON TF-33 ENGINE. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-248-0879 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 4820-01-248-0879?
NSN 4820-01-248-0879 has DEMIL Code Q. 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.