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0000138378 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

0000138378: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT CHAMFER, head_height: 0.616 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.921 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN, thread_length: 1.750 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-927-2016, 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
0000138378
NSN: 5305-00-927-2016
FSC: 5305 — Screws
CAGE: 79410 — LIBERTY VENTURES INTI, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT CHAMFER
head_height0.616 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.921 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
thread_length1.750 INCHES MINIMUM IN
fastener_length2.719 INCHES MINIMUM AND 2.781 INCHES MAXIMUM IN
hardness_rating35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
width_across_flats0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.625 INCHES IN
NSN5305-00-927-2016
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 0000138378 · 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
•
WIDTH ACROSS FLATS: 0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.616 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.719 INCHES MINIMUM AND 2.781 INCHES MAXIMUM IN
•
THREAD LENGTH: 1.750 INCHES MINIMUM IN
•
HARDNESS RATING: 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
•
HEAD STYLE: FLAT CHAMFER
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
HEAD HEIGHT0.616 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
FASTENER LENGTH2.719 INCHES MINIMUM AND 2.781 INCHES MAXIMUM IN
THREAD LENGTH1.750 INCHES MINIMUM IN
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.625 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
SPECIFICATION/STANDARD DATA80205-NAS1351 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SUBSTITUTES & CROSS-REFERENCES 3
386B072022Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
1129E01 FIND 71Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
133747Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 0000138378?
0000138378 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 0000138378?
There are 3 known substitutes for 0000138378: 386B072022, 1129E01 FIND 71, 133747. Substitute compatibility should be verified for your specific system.
What is the NSN for 0000138378?
0000138378 is cataloged in the U.S. Government catalog under NSN 5305-00-927-2016. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.