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31W-0026 — CLAMP,BLOCK,SECTION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

31W-0026: CLAMP,BLOCK,SECTION.

The CLAMP,BLOCK,SECTION is a the manufacturer industrial component. Key specifications include block_height: 0.750 INCHES NOMINAL IN, overall_width: 0.500 INCHES NOMINAL IN, overall_length: 3.500 INCHES NOMINAL IN, special_features: 0.250-20 UNC-3B THD HOLES TWO PLACES,COUNTERSINK 80.0 DEG MIN AND 100.0 DEG MAX; COLOR BLACK, style_designator: RECTANGULAR, mounting_facility: UNTHREADED HOLE(S). This part is cataloged in the U.S.

Government catalog under NSN 5340-01-312-4073, 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
31W-0026
NSN: 5340-01-312-4073
FSC: 5340 — Hardware, Commercial
CAGE: 44114 — BAE SYSTEMS LAND & ARMAMENTS L.P. (USA)
SPECIFICATIONS
materialSTEEL COMP 1015 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1023 OR STEEL COMP 1025 OR STEEL COMP 1026
block_height0.750 INCHES NOMINAL IN
overall_width0.500 INCHES NOMINAL IN
overall_length3.500 INCHES NOMINAL IN
special_features0.250-20 UNC-3B THD HOLES TWO PLACES,COUNTERSINK 80.0 DEG MIN AND 100.0 DEG MAX; COLOR BLACK
style_designatorRECTANGULAR
mounting_facilityUNTHREADED HOLE(S)
surface_treatmentENAMEL SYNTHETIC LUSTERLESS
clamping_hole_quantity1
mounting_hole_diameter0.279 INCHES MINIMUM AND 0.289 INCHES MAXIMUM IN
mounting_hole_quantity2
material_document_and_classificationAISI ASSN STD ALL MATERIAL RESPONSES
NSN5340-01-312-4073
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 31W-0026 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
•
MOUNTING HOLE QUANTITY: 2
•
CLAMPING HOLE QUANTITY: 1
•
DISTANCE FROM END TO FIRST CLAMPING HOLE CENTER: 1.750 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: TT-E-516 FED SPEC SINGLE TREATMENT RESPONSE OR MIL-E-52891 MIL SPEC SINGLE TREATMENT RESPONSE
•
BLOCK HEIGHT: 0.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: RECTANGULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD ALL MATERIAL RESPONSES
•
MOUNTING HOLE DIAMETER: 0.279 INCHES MINIMUM AND 0.289 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY2
CLAMPING HOLE QUANTITY1
DISTANCE FROM END TO FIRST CLAMPING HOLE CENTER1.750 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONTT-E-516 FED SPEC SINGLE TREATMENT RESPONSE OR MIL-E-52891 MIL SPEC SINGLE TREATMENT RESPONSE
BLOCK HEIGHT0.750 INCHES NOMINAL IN
STYLE DESIGNATORRECTANGULAR
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD ALL MATERIAL RESPONSES
MOUNTING HOLE DIAMETER0.279 INCHES MINIMUM AND 0.289 INCHES MAXIMUM IN
OVERALL LENGTH3.500 INCHES NOMINAL IN
OVERALL WIDTH0.500 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

No substitute or cross-reference records for this part.

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 31W-0026?
31W-0026 is a CLAMP,BLOCK,SECTION.
What is the NSN for 31W-0026?
31W-0026 is cataloged in the U.S. Government catalog under NSN 5340-01-312-4073. This indicates validated use in U.S. government and defense supply chains.
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