General Characteristics Item Description: MATL,CARBON STEEL PLATE PER ASTMA-515 GRADE 70;VALVE SIZE 4
Identification
NSN: 4820-01-112-1283
NIIN: 011121283
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
General Description
The Bonnet,retainer Screw Torque, cataloged under National Stock Number 4820-01-112-1283, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-112-1283
Item Name
Bonnet,retainer Screw Torque
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
General Characteristics Item Description
MATL,CARBON STEEL PLATE PER ASTMA-515 GRADE 70;VALVE SIZE 4
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL Q — CCL Item — Commerce Control List
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.
4820-01-114-3061803-2177141-4XX-03POSSIBLE MATCH
CAP,VALVE
Possible match (shared part number)Naval Ship Systems Command
4820-01-117-7594803-2177141-3XX-03POSSIBLE MATCH
CAP,VALVE
Possible match (shared part number)Naval Ship Systems Command
4820-01-118-0563803-2177141-312-12POSSIBLE MATCH
FLANGE,GLAND,VALVE
Possible match (shared part number)Naval Ship Systems Command
4820-01-118-1224803-2177141-311POSSIBLE MATCH
VALVE,GLOBE
Possible match (shared part number)Naval Ship Systems Command
4820-01-123-8777803-2177141-3XX-02APOSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Naval Ship Systems Command
4820-01-125-5607803-2177141-3XX-27APOSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Naval Ship Systems Command
4820-01-146-7042803-2177141-412POSSIBLE MATCH
VALVE,GLOBE
Possible match (shared part number)Naval Ship Systems Command
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
803-2177141
D/9Drawing number reference only
U.S. Government activity
803-2177141-4XX
C/1Advisory reference — outside the item-of-supply concept
Naval Sea Systems Command
803-2177141-4XX-09
3/2Design control — primary reference
U.S. Government activity
Related Parts
4820-01-114-3061POSSIBLE MATCH
CAP,VALVE
803-2177141-4XX-03
4820-01-117-7594POSSIBLE MATCH
CAP,VALVE
803-2177141-3XX-03
4820-01-118-0563POSSIBLE MATCH
FLANGE,GLAND,VALVE
803-2177141-312-12
4820-01-118-1224POSSIBLE MATCH
VALVE,GLOBE
803-2177141-311
4820-01-123-8777POSSIBLE MATCH
DISK,VALVE
803-2177141-3XX-02A
4820-01-125-5607POSSIBLE MATCH
DISK,VALVE
803-2177141-3XX-27A
4820-01-146-7042POSSIBLE MATCH
VALVE,GLOBE
803-2177141-412
Frequently Asked Questions
What is NSN 4820-01-112-1283?
NSN 4820-01-112-1283 is a Bonnet,retainer Screw Torque, classified under FSC 4820, Valves, Nonpowered. Status: active.
What NSN replaces 4820-01-112-1283?
7 possible matches (shared part number, not a government interchangeability claim): 4820-01-114-3061, 4820-01-117-7594, 4820-01-118-0563. Verify interchangeability with system specifications before substitution.
What are the specifications of 4820-01-112-1283?
Key specifications for 4820-01-112-1283: General Characteristics Item Description: MATL,CARBON STEEL PLATE PER ASTMA-515 GRADE 70;VALVE SIZE 4. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-112-1283 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 4820-01-112-1283?
NSN 4820-01-112-1283 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.