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FTK7157HH12-16A — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

FTK7157HH12-16A: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING PRIMARY WASHER, head_style: HEXAGON, thread_class: 3A A, thread_length: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN, fastener_length: 1.975 INCHES MINIMUM AND 2.065 INCHES MAXIMUM IN, locking_feature: LOCKWASHER HEAD. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-688-2384, 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
FTK7157HH12-16A
NSN: 5305-01-688-2384
FSC: 5305 — Screws
CAGE: 58794 — FASTENER TECHNOLOGY CORP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING PRIMARY WASHER
head_styleHEXAGON
thread_class3A A
thread_length0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
fastener_length1.975 INCHES MINIMUM AND 2.065 INCHES MAXIMUM IN
locking_featureLOCKWASHER HEAD
thread_directionRIGHT-HAND
features_providedSLEEVE AND LOCK WASHER AND FLAT WASHER
surface_treatmentPASSIVATE OVERALL
width_between_flats0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
end_item_identification5840-01-669-5071
nominal_thread_diameter0.250 INCHES IN
NSN5305-01-688-2384
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: FTK7157HH12-16A · 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
•
EXTENDED WASHER THICKNESS: 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.975 INCHES MINIMUM AND 2.065 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
EXTENDED WASHER DIAMETER: 0.560 INCHES NOMINAL IN
•
THREAD LENGTH: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE PRIMARY WASHER
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
FASTENER LENGTH1.975 INCHES MINIMUM AND 2.065 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
EXTENDED WASHER DIAMETER0.560 INCHES NOMINAL IN
THREAD LENGTH0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE PRIMARY WASHER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5731 ASSN STD SINGLE MATERIAL RESPONSE AND AMS5737 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
MATERIAL DOCUMENT AND CLASSIFICATIONMS35338 MIL SPEC SINGLE MATERIAL RESPONSE SECONDARY WASHER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OR ASTM-A-582 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5640 ASSN STD SINGLE MATERIAL RESPONSE RING
NOMINAL THREAD DIAMETER0.250 INCHES IN
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES 1
FTK7157Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 FTK7157HH12-16A?
FTK7157HH12-16A is a SCREW,CAP,HEXAGON HEAD.
What parts can replace FTK7157HH12-16A?
There is 1 known substitute for FTK7157HH12-16A: FTK7157. Substitute compatibility should be verified for your specific system.
What is the NSN for FTK7157HH12-16A?
FTK7157HH12-16A is cataloged in the U.S. Government catalog under NSN 5305-01-688-2384. 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.