NSN 4820-01-460-3927 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-460-3927. Manufacturer of record part number: D1400 ITEM BASAA05SAA.
Nominal Pipe Size Accommodated: 0.250 INCHES ALL ENDS IN
Connection Style: GASKET SEAL (PIPE) ALL ENDS
Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
Style Designator: ANGLE
Material: COPPER ALLOY BODY
Material: NICKEL ALLOY FLOW CONTROL DEVICE
Material: NICKEL ALLOY SEAT
Identification
NSN: 4820-01-460-3927
NIIN: 014603927
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: D1400 ITEM BASAA05SAA
Manufacturer: Dante Valve Company
General Description
The Valve,safety Relief, cataloged under National Stock Number 4820-01-460-3927, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dante Valve Company. Government technical data includes 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-460-3927
Primary Part Number
D1400 ITEM BASAA05SAA
Item Name
Valve,safety Relief
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Dante Valve Company
Status
ACTIVE
Nominal Pipe Size Accommodated
0.250 INCHES ALL ENDS IN
Connection Style
GASKET SEAL (PIPE) ALL ENDS
Connection Type
UNTHREADED INTERNAL PIPE ALL ENDS
Style Designator
ANGLE
Material
COPPER ALLOY BODY
Material
NICKEL ALLOY FLOW CONTROL DEVICE
Material
NICKEL ALLOY SEAT
Material
STEEL CORROSION RESISTING STEM
Valve Operation Method
AUTOMATIC
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
⇄Related Items8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-464-1573POSSIBLE MATCH
VALVE,SAFETY RELIEF
Possible match (shared part number)
4820-01-467-4083BAMAA04MAAPOSSIBLE MATCH
VALVE,SAFETY RELIEF
Possible match (shared part number)Dante Valve Company
4820-01-479-5388BASAA07SAAPOSSIBLE MATCH
VALVE,SAFETY RELIEF
Possible match (shared part number)Dante Valve Company
4820-01-507-7109BAMAA04SAAPOSSIBLE MATCH
VALVE,SAFETY RELIEF
Possible match (shared part number)Dante Valve Company
4820-01-510-5691BXMAA03MAAPOSSIBLE MATCH
VALVE,SAFETY RELIEF
Possible match (shared part number)Dante Valve Company
4820-01-519-3579POSSIBLE MATCH
VALVE,SAFETY RELIEF
Possible match (shared part number)
4820-01-542-8223CD1400-11POSSIBLE MATCH
VALVE,SAFETY RELIEF
Possible match (shared part number)Dante Valve Company
4820-01-545-4542D1400 ASSY BFSAA07SAA/CD1400-17POSSIBLE MATCH
VALVE,SAFETY RELIEF
Possible match (shared part number)Dante Valve Company
C/1Advisory reference — outside the item-of-supply concept
Danco Valve Company
D1400
D/9Drawing number reference only
Danco Valve Company
Related Parts
4820-01-464-1573POSSIBLE MATCH
VALVE,SAFETY RELIEF
4820-01-467-4083POSSIBLE MATCH
VALVE,SAFETY RELIEF
BAMAA04MAA
4820-01-479-5388POSSIBLE MATCH
VALVE,SAFETY RELIEF
BASAA07SAA
4820-01-507-7109POSSIBLE MATCH
VALVE,SAFETY RELIEF
BAMAA04SAA
4820-01-510-5691POSSIBLE MATCH
VALVE,SAFETY RELIEF
BXMAA03MAA
4820-01-519-3579POSSIBLE MATCH
VALVE,SAFETY RELIEF
4820-01-542-8223POSSIBLE MATCH
VALVE,SAFETY RELIEF
CD1400-11
4820-01-545-4542POSSIBLE MATCH
VALVE,SAFETY RELIEF
D1400 ASSY BFSAA07SAA/CD1400-17
Frequently Asked Questions
What is NSN 4820-01-460-3927?
NSN 4820-01-460-3927 is a Valve,safety Relief, manufactured by Dante Valve Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-460-3927?
NSN 4820-01-460-3927 has 1 manufacturer part number on file: D1400 ITEM BASAA05SAA (Dante Valve Company).
What NSN replaces 4820-01-460-3927?
8 possible matches (shared part number, not a government interchangeability claim): 4820-01-464-1573, 4820-01-467-4083, 4820-01-479-5388. Verify interchangeability with system specifications before substitution.
What are the specifications of D1400 ITEM BASAA05SAA?
Key specifications for D1400 ITEM BASAA05SAA: Nominal Pipe Size Accommodated: 0.250 INCHES ALL ENDS IN; Connection Style: GASKET SEAL (PIPE) ALL ENDS; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS; Style Designator: ANGLE. 9 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-460-3927 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.