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138325 — PIN,STRAIGHT,HEADLESS

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

138325: PIN,STRAIGHT,HEADLESS.

The PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1020 OVERALL, first_end_style: CHAMFERED, hardness_rating: 58.0 ROCKWELL C MINIMUM AND 61.0 ROCKWELL C MAXIMUM OVERALL, pin_overall_length: 1.156 INCHES NOMINAL IN, pin_overall_diameter: 0.1554 INCHES MINIMUM AND 0.1558 INCHES MAXIMUM IN, first_end_taper_angle: 45.0 DEGREES NOMINAL. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-013-8325, 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
138325
NSN: 5305-00-013-8325
NIINs: 000138325, 005505947
FSC: 5305 — Screws
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialSTEEL COMP 1020 OVERALL
first_end_styleCHAMFERED
hardness_rating58.0 ROCKWELL C MINIMUM AND 61.0 ROCKWELL C MAXIMUM OVERALL
pin_overall_length1.156 INCHES NOMINAL IN
pin_overall_diameter0.1554 INCHES MINIMUM AND 0.1558 INCHES MAXIMUM IN
first_end_taper_angle45.0 DEGREES NOMINAL
first_end_taper_length0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
NSN5305-00-013-8325
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 138325 · 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: 0.375 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.554 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.490 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN
•
THREAD LENGTH: 1.520 INCHES MAXIMUM IN
•
HARDNESS RATING: 36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
•
NOMINAL THREAD DIAMETER: 0.562 INCHES IN
•
HEAD STYLE: FLAT CHAMFER
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.375 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
HEAD HEIGHT0.554 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
FASTENER LENGTH1.490 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN
THREAD LENGTH1.520 INCHES MAXIMUM IN
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL THREAD DIAMETER0.562 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
INTERNAL DRIVE STYLEHEXAGON
THREAD CLASS3A A
SUBSTITUTES & CROSS-REFERENCES 1
FF-S-86 TYPE 1Reference document
Same NSN cross-reference
Reference document — Identification reference
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 138325?
138325 is a PIN,STRAIGHT,HEADLESS.
What parts can replace 138325?
There is 1 known substitute for 138325: FF-S-86 TYPE 1. Substitute compatibility should be verified for your specific system.
What is the NSN for 138325?
138325 is cataloged in the U.S. Government catalog under NSN 5305-00-013-8325. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
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.