PartsTable
Technical Data Sheet
MS21313-125 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The PADLOCK SET is a the manufacturer industrial component. Key specifications include chain_length: 9.000 INCHES NOMINAL IN, construction: SOLID OR FORMED OR LAMINATED, overall_width: 1.125 INCHES NOMINAL IN, overall_height: 1.062 INCHES NOMINAL IN, padlock_quantity: 20, shackle_diameter: 0.177 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-838-5278, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MS21313-125
NSN: 5340-00-838-5278
FSC: 5340
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
chain_length9.000 INCHES NOMINAL IN
constructionSOLID OR FORMED OR LAMINATED
overall_width1.125 INCHES NOMINAL IN
overall_height1.062 INCHES NOMINAL IN
padlock_quantity20
shackle_diameter0.177 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
shackle_clearance0.625 INCHES NOMINAL IN
surface_treatmentLACQUER OVERALL
key_change_quantity3000
operating_mechanism_typePIN TUMBLER WITH DEAD BOLT LOCKING CONSTRUCTION
individual_padlock_keying_typeKEYED ALIKE
NSN5340-00-838-5278
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS21313-125 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
SURFACE TREATMENT: LACQUER OVERALL
SHACKLE CLEARANCE: 0.625 INCHES NOMINAL IN
SHACKLE DIAMETER: 0.177 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
INDIVIDUAL PADLOCK KEYING TYPE: KEYED ALIKE
CHAIN LENGTH: 9.000 INCHES NOMINAL IN
CONSTRUCTION: SOLID OR FORMED OR LAMINATED
OPERATING MECHANISM TYPE: PIN TUMBLER WITH DEAD BOLT LOCKING CONSTRUCTION
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTLACQUER OVERALL
SHACKLE CLEARANCE0.625 INCHES NOMINAL IN
OVERALL HEIGHT1.062 INCHES NOMINAL IN
SHACKLE DIAMETER0.177 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
INDIVIDUAL PADLOCK KEYING TYPEKEYED ALIKE
CHAIN LENGTH9.000 INCHES NOMINAL IN
CONSTRUCTIONSOLID OR FORMED OR LAMINATED
OPERATING MECHANISM TYPEPIN TUMBLER WITH DEAD BOLT LOCKING CONSTRUCTION
KEY CHANGE QUANTITY3000
PADLOCK QUANTITY20
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
A5200GLNUpgraded Successor
successor cross-reference
successor
AA59487-2SUpgraded Successor
successor cross-reference
successor
00037325000156Upgraded Successor
successor cross-reference
successor
A-A-59487Upgraded Successor
successor cross-reference
successor
AA59487-2SCUpgraded Successor
successor cross-reference
successor
404434Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS21313-125?
MS21313-125 is a PADLOCK SET.
What parts can replace MS21313-125?
There are 11 known substitutes for MS21313-125: A5200GLN, AA59487-2S, 00037325000156 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS21313-125?
MS21313-125 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-838-5278. This indicates validated use in U.S. government and defense supply chains.
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