The Parts Kit,valve, cataloged under National Stock Number 4820-01-538-8697, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-538-8697
Item Name
Parts Kit,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
Document Type
ENGINEERING DRAWING
Document Identification
1682-B
Document Source
90800
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 Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-538-87102353-1342A 1.50 X 1.25INPOSSIBLE MATCH
VALVE,CALIBRATED FLOW
Possible match (shared part number)Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-625-79955865-1SKPOSSIBLE MATCH
REPAIR KIT,VALVE
Possible match (shared part number)Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-670-99445865-25SKPOSSIBLE MATCH
REPAIR KIT,VALVE
Possible match (shared part number)Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-695-54155865-5SKPOSSIBLE MATCH
REPAIR KIT,VALVE
Possible match (shared part number)Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
5865-12SK
3/2Design control — primary reference
U.S. Government activity
1682-B KIT NO 5865-12SK
5/2Secondary reference
U.S. Government activity
1682-B
D/9Drawing number reference only
U.S. Government activity
Related Parts
4820-01-538-8710POSSIBLE MATCH
VALVE,CALIBRATED FLOW
2353-1342A 1.50 X 1.25IN
4820-01-625-7995POSSIBLE MATCH
REPAIR KIT,VALVE
5865-1SK
4820-01-670-9944POSSIBLE MATCH
REPAIR KIT,VALVE
5865-25SK
4820-01-695-5415POSSIBLE MATCH
REPAIR KIT,VALVE
5865-5SK
Frequently Asked Questions
What is NSN 4820-01-538-8697?
NSN 4820-01-538-8697 is a Parts Kit,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
What NSN replaces 4820-01-538-8697?
4 possible matches (shared part number, not a government interchangeability claim): 4820-01-538-8710, 4820-01-625-7995, 4820-01-670-9944. Verify interchangeability with system specifications before substitution.
What are the specifications of 4820-01-538-8697?
Key specifications for 4820-01-538-8697: Document Type: ENGINEERING DRAWING; Document Identification: 1682-B; Document Source: 90800; Special Features: KIT INCLUDES MATCHED ORIFICE PLATES WITH DIAPHRAGMS AND O-RINGS FOR SPECIFIC 29 GPM FLOW RATE, DIAPHRAGM RETAINER (3945), O-RINGS (3946) AND O-RINGS (86420). 3 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-538-8697 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.