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1406-98-500-5374 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1406-98-500-5374: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT CHAMFER, head_height: 0.864 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN, thread_class: 3A A, chamfer_angle: 30.0 DEGREES MINIMUM AND 45.0 DEGREES MAXIMUM, head_diameter: 1.293 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-735-5976, 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
1406-98-500-5374
NSN: 5305-01-735-5976
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT CHAMFER
head_height0.864 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
thread_class3A A
chamfer_angle30.0 DEGREES MINIMUM AND 45.0 DEGREES MAXIMUM
head_diameter1.293 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN
thread_length2.250 INCHES NOMINAL IN
fastener_length2.36 INCHES MINIMUM AND 2.50 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentBLACK OXIDE OVERALL
width_across_flats0.750 INCHES NOMINAL IN
internal_drive_styleHEXAGON
NSN5305-01-735-5976
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1406-98-500-5374 · 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: 0.750 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.864 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.36 INCHES MINIMUM AND 2.50 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-DTL-13924, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 2.250 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: FF-S-86 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.8750 INCHES IN
•
HEAD STYLE: FLAT CHAMFER
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.750 INCHES NOMINAL IN
HEAD HEIGHT0.864 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
FASTENER LENGTH2.36 INCHES MINIMUM AND 2.50 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-DTL-13924, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH2.250 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONFF-S-86 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.8750 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
SPECIFICATION/STANDARD DATA80205-NAS1352 NATIONAL STD/SPEC
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 3
68-00-7250ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
H452-0501-374Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
NAS1352Reference document
Same NSN cross-reference
Reference document — Design control — primary 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 1406-98-500-5374?
1406-98-500-5374 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 1406-98-500-5374?
There are 3 known substitutes for 1406-98-500-5374: 68-00-7250A, H452-0501-374, NAS1352. Substitute compatibility should be verified for your specific system.
What is the NSN for 1406-98-500-5374?
1406-98-500-5374 is cataloged in the U.S. Government catalog under NSN 5305-01-735-5976. 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.