The Cap,valve, cataloged under National Stock Number 4820-01-087-6258, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-087-6258
Item Name
Cap,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
Outside Diameter
1.502 INCHES NOMINAL IN
Height
1.185 INCHES NOMINAL IN
Material
STEEL CORROSION RESISTING
Attachment Method
BOLTS
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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-149-7652S2B10152-3TAPOSSIBLE MATCH
RESTRICTOR,FLUID FLOW
Possible match (shared part number)Vacco Industries
4820-01-190-3619S1E10071-02POSSIBLE MATCH
MANIFOLD,HYDRAULIC
Possible match (shared part number)Vacco Industries
4820-01-190-3621S1E10071-06POSSIBLE MATCH
MANIFOLD,VALVE
Possible match (shared part number)Vacco Industries
4820-01-191-4219S1E10071-07POSSIBLE MATCH
MANIFOLD ASSEMBLY,PRESSURE REDUC
Possible match (shared part number)Vacco Industries
4820-01-309-7480POSSIBLE MATCH
VALVE ASSEMBLY,MANIFOLD
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
S2C10134-3TA
3/2Design control — primary reference
U.S. Government activity
S1E10071
D/9Drawing number reference only
U.S. Government activity
S1E10071 ITEM 3
5/2Secondary reference
U.S. Government activity
S1E10071-03
5/2Secondary reference
U.S. Government activity
Related Parts
4730-01-149-7652POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
S2B10152-3TA
4820-01-190-3619POSSIBLE MATCH
MANIFOLD,HYDRAULIC
S1E10071-02
4820-01-190-3621POSSIBLE MATCH
MANIFOLD,VALVE
S1E10071-06
4820-01-191-4219POSSIBLE MATCH
MANIFOLD ASSEMBLY,PRESSURE REDUC
S1E10071-07
4820-01-309-7480POSSIBLE MATCH
VALVE ASSEMBLY,MANIFOLD
Frequently Asked Questions
What is NSN 4820-01-087-6258?
NSN 4820-01-087-6258 is a Cap,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
What NSN replaces 4820-01-087-6258?
5 possible matches (shared part number, not a government interchangeability claim): 4730-01-149-7652, 4820-01-190-3619, 4820-01-190-3621. Verify interchangeability with system specifications before substitution.
What are the specifications of 4820-01-087-6258?
Key specifications for 4820-01-087-6258: Outside Diameter: 1.502 INCHES NOMINAL IN; Height: 1.185 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING; Attachment Method: BOLTS. 4 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-087-6258 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.