PartsTable
Technical Data Sheet

347/23873 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

347/23873: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL PROPERTY CLASS 8.8 OVERALL, head_style: CROWNED HEXAGON, head_height: 0.203 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.875 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN, fastener_length: 1.078 INCHES MINIMUM AND 1.396 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-549-9180, 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
347/23873
NSN: 5305-01-549-9180
FSC: 5305 — Screws
CAGE: 0JKF0 — JCB INC. (USA)
SPECIFICATIONS
materialSTEEL PROPERTY CLASS 8.8 OVERALL
head_styleCROWNED HEXAGON
head_height0.203 INCHES NOMINAL IN
thread_class2A A
thread_length0.875 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN
fastener_length1.078 INCHES MINIMUM AND 1.396 INCHES MAXIMUM IN
hardness_rating33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentCHROMATE ZINC OVERALL
width_between_flats0.500 INCHES NOMINAL IN
end_item_identification2320-01-432-4847, TRUCK TRACTOR/TRUCK, M915 SERIES, M-916A1 (LET); MRAP - COUGAR CAT1 A2
nominal_thread_diameter0.312 INCHES IN
NSN5305-01-549-9180
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 347/23873 · 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: 0.203 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.078 INCHES MINIMUM AND 1.396 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: SAE J429 ASSN STD ALL TREATMENT RESPONSES OVERALL
•
THREAD LENGTH: 0.875 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN
•
HARDNESS RATING: 33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
HEAD STYLE: CROWNED HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.203 INCHES NOMINAL IN
FASTENER LENGTH1.078 INCHES MINIMUM AND 1.396 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONSAE J429 ASSN STD ALL TREATMENT RESPONSES OVERALL
THREAD LENGTH0.875 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN
HARDNESS RATING33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES IN
HEAD STYLECROWNED HEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.500 INCHES NOMINAL IN
SURFACE TREATMENTCHROMATE ZINC 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
92620A591Same 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 347/23873?
347/23873 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 347/23873?
There is 1 known substitute for 347/23873: 92620A591. Substitute compatibility should be verified for your specific system.
What is the NSN for 347/23873?
347/23873 is cataloged in the U.S. Government catalog under NSN 5305-01-549-9180. 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.