NSN 5340-01-653-3350 · NIIN 016533350 · Part number S31RED
Master Lock Company Llc · FSC 5340 — Hardware, Commercial · FSG 53 — Hardware and Abrasives · CAGE 38797
Government record, cited
NSN 5340-01-653-3350 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-653-3350. Manufacturer of record part number: S31RED.
The Padlock, cataloged under National Stock Number 5340-01-653-3350, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Master Lock Company Llc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5340-01-653-3350
Primary Part Number
S31RED
Item Name
Padlock
FSC / FSG
5340 / 53 — Hardware, Commercial
Manufacturer
Master Lock Company Llc
Status
ACTIVE
Shackle Clearance
1.875 INCHES NOMINAL IN
Operating Mechanism Type
PIN TUMBLER
Color
RED
Material
PLASTIC BODY
Material
STEEL CORROSION RESISTING SHACKLE
Shackle Diameter
1.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068
COVER,ACCESS
5340-00-000-0132
SEAT,HELICAL COMPRESSION SPRING
5340-00-000-8150
5340-00-000-8150 · Item name not on file
5340-00-001-1251
5340-00-001-1251 · Item name not on file
5340-00-001-1264
STRAP,WEBBING
5340-00-001-1265
STRAP,WEBBING
5340-00-001-1266
STRAP,WEBBING
5340-00-001-1275
HANDLE,DOOR
Frequently Asked Questions
What is NSN 5340-01-653-3350?
NSN 5340-01-653-3350 is a Padlock, manufactured by Master Lock Company Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
What part numbers are listed for NSN 5340-01-653-3350?
NSN 5340-01-653-3350 has 2 manufacturer part numbers on file: 0983 6037 (Blackwood J. Blackwood & Son Pty Ltd), S31RED (Master Lock Company Llc).
What are the specifications of S31RED?
Key specifications for S31RED: Shackle Clearance: 1.875 INCHES NOMINAL IN; Operating Mechanism Type: PIN TUMBLER; Color: RED; Special Features: 6-PIN TUMBLE; 3/16-INCH SHACKLE; KEY RETAINING ENSURES PADLOCK IS NOT ACCIDENTALLY LEFT UNLOCKED; CHEMICAL, TEMP, AND UV RESISTANT. 6 specifications are documented in the U.S. Government catalog.
Is NSN 5340-01-653-3350 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). 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.