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10113579 — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

10113579: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, head_style: FLAT COUNTERSUNK UNDERCUT, grip_length: 1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM IN, head_height: 0.1147 INCHES MINIMUM AND 0.1167 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-243-0758, 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
10113579
NSN: 5305-01-243-0758
FSC: 5305 — Screws
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
materialSTEEL COMP XM-13 OVERALL
head_styleFLAT COUNTERSUNK UNDERCUT
grip_length1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM IN
head_height0.1147 INCHES MINIMUM AND 0.1167 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN
head_diameter0.7556 INCHES MINIMUM AND 0.7604 INCHES MAXIMUM IN
thread_length0.615 INCHES MINIMUM AND 0.682 INCHES MAXIMUM IN
surface_finish32.0 MICROINCHES BEARING SURFACE OF HEAD
fastener_length1.937 INCHES MINIMUM AND 1.984 INCHES MAXIMUM IN
special_featuresFURNISHED WITH ONE O RING,CETYL ALCOHOL LUBRICANT,WHITE PAINT ON NONBEARING SURFACE OF HEAD
thread_directionRIGHT-HAND
NSN5305-01-243-0758
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 10113579 · 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
•
SURFACE FINISH: 32.0 MICROINCHES THREADS
•
HEAD HEIGHT: 0.1147 INCHES MINIMUM AND 0.1167 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.937 INCHES MINIMUM AND 1.984 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.615 INCHES MINIMUM AND 0.682 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES THREADS
SURFACE FINISH32.0 MICROINCHES GRIP
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
HEAD HEIGHT0.1147 INCHES MINIMUM AND 0.1167 INCHES MAXIMUM IN
FASTENER LENGTH1.937 INCHES MINIMUM AND 1.984 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.615 INCHES MINIMUM AND 0.682 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEFLAT COUNTERSUNK UNDERCUT
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES 2
HT4020-6-21AReference document
Same NSN cross-reference
Reference document — Secondary reference
ST3M652C6-21ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 10113579?
10113579 is a SCREW,CLOSE TOLERANCE.
What parts can replace 10113579?
There are 2 known substitutes for 10113579: HT4020-6-21A, ST3M652C6-21A. Substitute compatibility should be verified for your specific system.
What is the NSN for 10113579?
10113579 is cataloged in the U.S. Government catalog under NSN 5305-01-243-0758. 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.