FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories
Government record, cited
Also searched as1660-00-805-9290 ·
1660008059290 ·
NIIN 008059290 ·
00-805-9290 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · 658054-13 · 5108-2
Nearby stock numbers← 1660-00-805-9248 Base Assy, Temperatu
·
1660-00-805-9496 →
Features
Valve,relief,air Pressure — FSC 1660
General Characteristics Item Description: ONE 0.250 IN. DIA PORT;M65.0 TO 250.0 DEG F AMBIENT TEMP;32.0 PSIA CRACKING PRESSURE AT 0.02 CFM MIN. FLOW;29.5 PSIA MIN RESEATING PRESSURE IN
Identification
NSN: 1660-00-805-9290
NIIN: 008059290
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
General Description
The Valve,relief,air Pressure, cataloged under National Stock Number 1660-00-805-9290, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1660-00-805-9290
Item Name
Valve,relief,air Pressure
FSC / FSG
1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Status
ACTIVE
General Characteristics Item Description
ONE 0.250 IN. DIA PORT;M65.0 TO 250.0 DEG F AMBIENT TEMP;32.0 PSIA CRACKING PRESSURE AT 0.02 CFM MIN. FLOW;29.5 PSIA MIN RESEATING PRESSURE IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL B — Remove Demilitarization Key Points
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5950-01-013-0262POSSIBLE MATCH
TRANSFORMER,POWER
Possible match (shared part number)
7920-01-048-14190005108200POSSIBLE MATCH
BRUSH,WIRE,TUBE
Possible match (shared part number)Jason Incorporated Dba Osborn International a Unit of Jason
6830-01-144-35795108-2POSSIBLE MATCH
MONOBROMOTRIFLUOROMETHANE
Possible match (shared part number)Meggitt Safety Systems Inc
7920-01-510-1278POSSIBLE MATCH
BRUSH,WIRE,TUBE
Possible match (shared part number)
5310-01-545-927151082POSSIBLE MATCH
NUT,AIRCRAFT,MATERI
Possible match (shared part number)Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5995-01-555-075251082POSSIBLE MATCH
CABLE ASSEMBLY,SPECIAL PURPOSE,E
Possible match (shared part number)Midcon Cables Co., Inc.
7310-01-583-132551082POSSIBLE MATCH
RIGHT HAND DOOR PLATE
Possible match (shared part number)G.s. Blodgett, Llc Div Blodgett
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
658054-13
5/2Secondary reference
U.S. Government activity
5108-2
3/9Design control — primary reference
U.S. Government activity
Related Parts
5950-01-013-0262POSSIBLE MATCH
TRANSFORMER,POWER
7920-01-048-1419POSSIBLE MATCH
BRUSH,WIRE,TUBE
0005108200
6830-01-144-3579POSSIBLE MATCH
MONOBROMOTRIFLUOROMETHANE
5108-2
7920-01-510-1278POSSIBLE MATCH
BRUSH,WIRE,TUBE
5310-01-545-9271POSSIBLE MATCH
NUT,AIRCRAFT,MATERI
51082
5995-01-555-0752POSSIBLE MATCH
CABLE ASSEMBLY,SPECIAL PURPOSE,E
51082
7310-01-583-1325POSSIBLE MATCH
RIGHT HAND DOOR PLATE
51082
Frequently Asked Questions
What is NSN 1660-00-805-9290?
NSN 1660-00-805-9290 is a Valve,relief,air Pressure, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What NSN replaces 1660-00-805-9290?
7 possible matches (shared part number, not a government interchangeability claim): 5950-01-013-0262, 7920-01-048-1419, 6830-01-144-3579. Verify interchangeability with system specifications before substitution.
What are the specifications of 1660-00-805-9290?
Key specifications for 1660-00-805-9290: General Characteristics Item Description: ONE 0.250 IN. DIA PORT;M65.0 TO 250.0 DEG F AMBIENT TEMP;32.0 PSIA CRACKING PRESSURE AT 0.02 CFM MIN. FLOW;29.5 PSIA MIN RESEATING PRESSURE IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 1660-00-805-9290 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 1660-00-805-9290?
NSN 1660-00-805-9290 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.