PartsTable
Technical Data Sheet
MS51944-4 ✓ 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 BUCKLE is a the manufacturer industrial component. Key specifications include insignia: NOT INCLUDED, material: COPPER ALLOY OVERALL, overall_width: 1.200 INCHES NOMINAL IN, overall_length: 1.560 INCHES NOMINAL IN, enameled_feature: NOT INCLUDED, special_features: OPTIONAL BUCKLE STYLE RDGB20. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-290-0970, 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
MS51944-4
NSN: 5340-00-290-0970
FSC: 5340
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
insigniaNOT INCLUDED
materialCOPPER ALLOY OVERALL
overall_width1.200 INCHES NOMINAL IN
overall_length1.560 INCHES NOMINAL IN
enameled_featureNOT INCLUDED
special_featuresOPTIONAL BUCKLE STYLE RDGB20
buckle_style_designatorDOUBLE BAR-TONGUELESS
strap_accommodation_width1.020 INCHES NOMINAL IN
NSN5340-00-290-0970
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS51944-4 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
MATERIAL: COPPER ALLOY OVERALL
INSIGNIA: NOT INCLUDED
ENAMELED FEATURE: NOT INCLUDED
STRAP ACCOMMODATION WIDTH: 1.020 INCHES NOMINAL IN
BUCKLE STYLE DESIGNATOR: DOUBLE BAR-TONGUELESS
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY OVERALL
SPECIAL FEATURESOPTIONAL BUCKLE STYLE RDGB20
INSIGNIANOT INCLUDED
ENAMELED FEATURENOT INCLUDED
STRAP ACCOMMODATION WIDTH1.020 INCHES NOMINAL IN
BUCKLE STYLE DESIGNATORDOUBLE BAR-TONGUELESS
OVERALL LENGTH1.560 INCHES NOMINAL IN
OVERALL WIDTH1.200 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
SR-350-KIT 1Interchangeable
interchangeable cross-reference
interchangeable
AMS-DTL-23053Interchangeable
interchangeable cross-reference
interchangeable
FIT-295-MS-1Interchangeable
interchangeable cross-reference
interchangeable
MILB543TY2STYLE3CLASS3SIZE5-8Interchangeable
interchangeable cross-reference
interchangeable
MIL-B-543Interchangeable
interchangeable cross-reference
interchangeable
MS51944-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS51944-4?
MS51944-4 is a BUCKLE.
What parts can replace MS51944-4?
There are 16 known substitutes for MS51944-4: SR-350-KIT 1, AMS-DTL-23053, FIT-295-MS-1 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS51944-4?
MS51944-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-290-0970. This indicates validated use in U.S. government and defense supply chains.
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