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Technical Data Sheet
PartsTable / COMPONENT / 157244
157244 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: RUBBER. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-354-1227, 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
157244
NSN: 5305-00-354-1227
FSC: 5305
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
materialRUBBER
NSN5305-00-354-1227
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 157244 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
THREAD LENGTH: 1.125 INCHES MINIMUM IN
•
FASTENER LENGTH: 1.719 INCHES MINIMUM AND 1.781 INCHES MAXIMUM IN
•
THREAD CLASS: 3A A
•
MATERIAL: STEEL OVERALL
•
THREAD QUANTITY PER INCH: 16
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
HARDNESS RATING: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD DIAMETER0.375 INCHES IN
THREAD LENGTH1.125 INCHES MINIMUM IN
FASTENER LENGTH1.719 INCHES MINIMUM AND 1.781 INCHES MAXIMUM IN
THREAD CLASS3A A
MATERIALSTEEL OVERALL
THREAD QUANTITY PER INCH16
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.273 INCHES MINIMUM AND 0.289 INCHES MAXIMUM IN
HEAD STYLEHEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
DS-B99977-02-8-12-12-RF-10-RF-F1Interchangeable
interchangeable cross-reference
interchangeable
157244Interchangeable
interchangeable cross-reference
interchangeable
5157244Interchangeable
Same NIIN cross-reference
interchangeable
5328000Interchangeable
Same NIIN cross-reference
interchangeable
PC5157244Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 157244?
157244 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 157244?
There are 5 known substitutes for 157244: DS-B99977-02-8-12-12-RF-10-RF-F1, 157244, 5157244 and 2 more. Substitute compatibility should be verified for your specific system.
Is 157244 still available?
157244 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026