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4348 — BRUSH CONTACT

✓ Government record, cited
Esselte · BOLT SCREW
PRODUCT OVERVIEW

4348: BRUSH CONTACT.

The BRUSH CONTACT is a Esselte industrial component. Key specifications include head_style: PAN NO. 2, head_height: 0.085 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN, hole_diameter: 0.170 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, physical_form: POWDER.

This part is cataloged in the U.S. Government catalog under NSN 5305-00-043-6692, 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
4348
NSN: 5305-00-043-6692
NIINs: 000436692, 004300612, 004478289, 004702996, 004802566, 011199502, 013334860, 014086593
FSC: 5305 — Screws
CAGE: 92878 — HDT EXPEDITIONARY SYSTEMS INC (USA)
SPECIFICATIONS
head_stylePAN NO. 2
head_height0.085 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
hole_diameter0.170 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
physical_formPOWDER
thread_length0.312 INCHES NOMINAL IN
fastener_length0.312 INCHES NOMINAL IN
special_featuresMANUFACTURER DESCRIBES AS TORQUE PLATE ASSEMBLY
thread_directionRIGHT-HAND
bolt_circle_diameter2.937 INCHES NOMINAL IN
internal_drive_styleSLOT
NSN5305-00-043-6692
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4348 · Esselte ⚠ 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: 0.085 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: CADMIUM AND CHROMATE OR ZINC AND CHROMATE
•
FASTENER LENGTH: 0.312 INCHES NOMINAL IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 EXCEPT BESSEMER COMP. FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-409 GRADE 2,3 OR 4 FED SPEC SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.312 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
HEAD STYLE: PAN NO. 2
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.085 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTCADMIUM AND CHROMATE OR ZINC AND CHROMATE
FASTENER LENGTH0.312 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 EXCEPT BESSEMER COMP. FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-409 GRADE 2,3 OR 4 FED SPEC SINGLE MATERIAL RESPONSE
THREAD LENGTH0.312 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD STYLEPAN NO. 2
THREAD DIRECTIONRIGHT-HAND
NONDEFINITIVE SPEC/STD DATAI TYPE AND 9S STYLE
SCREW MATERIALSTEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1022 OR STEEL COMP 1524 OR STEEL COMP 1025 OR STEEL COMP 1527 OR STEEL COMP 1030 OR STEEL COMP 1033 OR STEEL COMP 1034 OR STEEL COMP 1035 OR STEEL COMP 1038 OR STEEL COMP 1040 OR STEEL COMP 1541 OR STEEL COMP 1108 OR STEEL COMP 1109 OR STEEL COMP 1110
SUBSTITUTES & CROSS-REFERENCES 4
MS35225-42Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
25704-281210-42-0Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
FFS92TYPE1STYLE9SReference document
Same NSN cross-reference
Reference document — Identification reference
436692Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4348?
4348 is a BRUSH CONTACT manufactured by Esselte.
What parts can replace 4348?
There are 4 known substitutes for 4348: MS35225-42, 25704-281210-42-0, FFS92TYPE1STYLE9S and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4348?
4348 is cataloged in the U.S. Government catalog under NSN 5305-00-043-6692. 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.