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2705-04-04 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2705-04-04: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, thread_class: 2A A, thread_direction: RIGHT-HAND, width_between_flats: 0.750 INCHES NOMINAL IN, end_item_identification: 4210016179403, nominal_thread_diameter: 0.4375 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-641-3846, 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
2705-04-04
NSN: 5305-01-641-3846
FSC: 5305 — Screws
CAGE: 5E240 — BRENNAN INDUSTRIES (USA)
SPECIFICATIONS
head_styleHEXAGON
thread_class2A A
thread_directionRIGHT-HAND
width_between_flats0.750 INCHES NOMINAL IN
end_item_identification4210016179403
nominal_thread_diameter0.4375 INCHES IN
thread_quantity_per_inch20
thread_series_designatorUNF
part_name_assigned_by_controlling_agencyCONNECTOR, BULKHEAD
NSN5305-01-641-3846
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2705-04-04 · 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
•
NOMINAL THREAD DIAMETER: 0.4375 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.750 INCHES NOMINAL IN
•
THREAD CLASS: 2A A
•
THREAD QUANTITY PER INCH: 20
TECHNICAL CHARACTERISTICS
NOMINAL THREAD DIAMETER0.4375 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.750 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYCONNECTOR, BULKHEAD
THREAD CLASS2A A
END ITEM IDENTIFICATION4210016179403
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNF
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
CON-0318Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 2705-04-04?
2705-04-04 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 2705-04-04?
There is 1 known substitute for 2705-04-04: CON-0318. Substitute compatibility should be verified for your specific system.
What is the NSN for 2705-04-04?
2705-04-04 is cataloged in the U.S. Government catalog under NSN 5305-01-641-3846. 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.