PartsTable
Technical Data Sheet

3254/127 PA — CLAMP,BLOCK

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3254/127 PA: CLAMP,BLOCK.

The CLAMP,BLOCK is a the manufacturer industrial component. Key specifications include block_height: 1.46 INCHES NOMINAL1.46 INCHES NOMINAL IN, overall_width: 1.18 INCHES NOMINAL1.18 INCHES NOMINAL IN, overall_length: 2.64 INCHES NOMINAL2.64 INCHES NOMINAL IN, style_designator: RECTANGULAR, clamping_hole_diameter: 1.00 INCHES NOMINAL SECOND HOLE IN, clamping_hole_quantity: 22. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-668-7577, 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
3254/127 PA
NSN: 5340-01-668-7577
FSC: 5340 — Hardware, Commercial
CAGE: 53790 — STAUFF CORP (USA)
SPECIFICATIONS
block_height1.46 INCHES NOMINAL1.46 INCHES NOMINAL IN
overall_width1.18 INCHES NOMINAL1.18 INCHES NOMINAL IN
overall_length2.64 INCHES NOMINAL2.64 INCHES NOMINAL IN
style_designatorRECTANGULAR
clamping_hole_diameter1.00 INCHES NOMINAL SECOND HOLE IN
clamping_hole_quantity22
end_item_identification3930-01-641-7505;TRUCK,LIFT,FORK3930-01-641-7505;TRUCK,LIFT,FORK
part_name_assigned_by_controlling_agencyCLAMP,TWIN
center_to_center_distance_between_first_and_second_clamping_holes1.42 INCHES NOMINAL IN
NSN5340-01-668-7577
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3254/127 PA MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CLAMPING HOLE QUANTITY: 22
•
BLOCK HEIGHT: 1.46 INCHES NOMINAL1.46 INCHES NOMINAL IN
•
STYLE DESIGNATOR: RECTANGULAR
•
CLAMPING HOLE DIAMETER: 0.50 INCHES NOMINAL FIFTH HOLE IN
TECHNICAL CHARACTERISTICS
CLAMPING HOLE QUANTITY22
BLOCK HEIGHT1.46 INCHES NOMINAL1.46 INCHES NOMINAL IN
STYLE DESIGNATORRECTANGULAR
OVERALL LENGTH2.64 INCHES NOMINAL2.64 INCHES NOMINAL IN
OVERALL WIDTH1.18 INCHES NOMINAL1.18 INCHES NOMINAL IN
CLAMPING HOLE DIAMETER0.50 INCHES NOMINAL FIFTH HOLE IN
CLAMPING HOLE DIAMETER1.00 INCHES NOMINAL SECOND HOLE IN
PART NAME ASSIGNED BY CONTROLLING AGENCYCLAMP,TWIN
END ITEM IDENTIFICATION3930-01-641-7505;TRUCK,LIFT,FORK3930-01-641-7505;TRUCK,LIFT,FORK
CENTER TO CENTER DISTANCE BETWEEN FIRST AND SECOND CLAMPING HOLES1.42 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
4196004Reference document
Same NSN cross-reference
Reference document — Vendor item drawing 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 3254/127 PA?
3254/127 PA is a CLAMP,BLOCK.
What parts can replace 3254/127 PA?
There is 1 known substitute for 3254/127 PA: 4196004. Substitute compatibility should be verified for your specific system.
What is the NSN for 3254/127 PA?
3254/127 PA is cataloged in the U.S. Government catalog under NSN 5340-01-668-7577. 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.