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HT4004C08L7 — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

HT4004C08L7: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, head_style: PAN NO. 2, grip_length: 2.615 INCHES MINIMUM AND 2.635 INCHES MAXIMUM IN, head_height: 0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 1.630 INCHES MINIMUM AND 1.635 INCHES MAXIMUM IN.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-394-5974, 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
HT4004C08L7
NSN: 5305-01-394-5974
FSC: 5305 — Screws
CAGE: 73197 — HI-SHEAR CORPORATION (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
head_stylePAN NO. 2
grip_length2.615 INCHES MINIMUM AND 2.635 INCHES MAXIMUM IN
head_height0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
thread_class3A A
grip_diameter1.630 INCHES MINIMUM AND 1.635 INCHES MAXIMUM IN
head_diameter0.310 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN
thread_length0.339 INCHES NOMINAL IN
fastener_length2.949 INCHES MINIMUM AND 2.979 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
internal_drive_styleHIGH-TORQUE
NSN5305-01-394-5974
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: HT4004C08L7 · 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
•
HEAD HEIGHT: 0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.949 INCHES MINIMUM AND 2.979 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.339 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
HEAD STYLE: PAN NO. 2
•
THREAD DIRECTION: RIGHT-HAND
•
GRIP LENGTH: 2.615 INCHES MINIMUM AND 2.635 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
FASTENER LENGTH2.949 INCHES MINIMUM AND 2.979 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.339 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD STYLEPAN NO. 2
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH2.615 INCHES MINIMUM AND 2.635 INCHES MAXIMUM IN
GRIP DIAMETER1.630 INCHES MINIMUM AND 1.635 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
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 1
ST3M815E08-7Reference document
Same NSN cross-reference
Reference document — Secondary 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 HT4004C08L7?
HT4004C08L7 is a SCREW,CLOSE TOLERANCE.
What parts can replace HT4004C08L7?
There is 1 known substitute for HT4004C08L7: ST3M815E08-7. Substitute compatibility should be verified for your specific system.
What is the NSN for HT4004C08L7?
HT4004C08L7 is cataloged in the U.S. Government catalog under NSN 5305-01-394-5974. 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.