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Technical Data Sheet
PartsTable / COMPONENT / 6138SS0632-7
6138SS0632-7 ✓ 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

The SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, head_style: KNURLED NO. 1, head_height: 0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN, thread_length: 0.266 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-177-5458, 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
6138SS0632-7
NSN: 5305-00-177-5458
FSC: 5305
CAGE: 1YGB8 — CAREY MANUFACTURING CO, INC DBA AMATOM ELECTRONIC HARDWARE DIV AMATOM ELECTRONIC HARDWARE (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
head_styleKNURLED NO. 1
head_height0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
thread_length0.266 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
fastener_length0.828 INCHES MINIMUM AND 0.860 INCHES MAXIMUM IN
special_featuresCONE POINT 82 DEGREES
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.138 INCHES IN
first_diameter_from_head0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
NSN5305-00-177-5458
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 6138SS0632-7 · 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
•
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY: 1
•
THREAD LENGTH: 0.266 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 32
•
FASTENER LENGTH: 0.828 INCHES MINIMUM AND 0.860 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 303 OVERALL
•
FIRST DIAMETER FROM HEAD: 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
THREAD LENGTH0.266 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
HEAD HEIGHT0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
SPECIAL FEATURESCONE POINT 82 DEGREES
THREAD QUANTITY PER INCH32
FASTENER LENGTH0.828 INCHES MINIMUM AND 0.860 INCHES MAXIMUM IN
MATERIALSTEEL COMP 303 OVERALL
FIRST DIAMETER FROM HEAD0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
INTERNAL DRIVE STYLESLOT
HEAD DIAMETER0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
17R123Interchangeable
interchangeable cross-reference
interchangeable
17-123Interchangeable
interchangeable cross-reference
interchangeable
50159Interchangeable
interchangeable cross-reference
interchangeable
56RInterchangeable
interchangeable cross-reference
interchangeable
103SSInterchangeable
interchangeable cross-reference
interchangeable
4202401Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6138SS0632-7?
6138SS0632-7 is a SCREW,EXTERNALLY RELIEVED BODY.
What parts can replace 6138SS0632-7?
There are 12 known substitutes for 6138SS0632-7: 17R123, 17-123, 50159 and 9 more. Substitute compatibility should be verified for your specific system.
Is 6138SS0632-7 still available?
6138SS0632-7 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