PartsTable
Technical Data Sheet
MS51927-3 ✓ 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: 1.310 INCHES NOMINAL IN, overall_length: 0.880 INCHES NOMINAL IN, enameled_feature: NOT INCLUDED, special_features: OPTIONAL BUCKLE STYLE RDGB23. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-297-6645, 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
MS51927-3
NSN: 5340-00-297-6645
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_width1.310 INCHES NOMINAL IN
overall_length0.880 INCHES NOMINAL IN
enameled_featureNOT INCLUDED
special_featuresOPTIONAL BUCKLE STYLE RDGB23
buckle_style_designatorSINGLE BAR-TONGUELESS
strap_accommodation_width1.000 INCHES MINIMUM AND 1.090 INCHES MAXIMUM IN
NSN5340-00-297-6645
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS51927-3 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
BUCKLE STYLE DESIGNATOR: SINGLE BAR-TONGUELESS
ENAMELED FEATURE: NOT INCLUDED
INSIGNIA: NOT INCLUDED
STRAP ACCOMMODATION WIDTH: 1.000 INCHES MINIMUM AND 1.090 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY OVERALL
SPECIAL FEATURESOPTIONAL BUCKLE STYLE RDGB23
BUCKLE STYLE DESIGNATORSINGLE BAR-TONGUELESS
ENAMELED FEATURENOT INCLUDED
INSIGNIANOT INCLUDED
STRAP ACCOMMODATION WIDTH1.000 INCHES MINIMUM AND 1.090 INCHES MAXIMUM IN
OVERALL WIDTH1.310 INCHES NOMINAL IN
OVERALL LENGTH0.880 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
MILB543TY2STYLE3CLASS3SIZE5-8Interchangeable
interchangeable cross-reference
interchangeable
MIL-B-543Interchangeable
interchangeable cross-reference
interchangeable
MS51944-3Interchangeable
interchangeable cross-reference
interchangeable
MS51944-9Interchangeable
interchangeable cross-reference
interchangeable
MS51944-10Interchangeable
interchangeable cross-reference
interchangeable
MS51944-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS51927-3?
MS51927-3 is a BUCKLE.
What parts can replace MS51927-3?
There are 14 known substitutes for MS51927-3: MILB543TY2STYLE3CLASS3SIZE5-8, MIL-B-543, MS51944-3 and 11 more. Substitute compatibility should be verified for your specific system.
Is MS51927-3 still available?
MS51927-3 is currently cancelled.
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