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09A121-4 — CLAMP,BLOCK

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

09A121-4: CLAMP,BLOCK.

The CLAMP,BLOCK is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE NITRILE, block_height: 0.5700 INCHES NOMINAL0.5700 INCHES NOMINAL IN, overall_width: 0.5000 INCHES NOMINAL0.5000 INCHES NOMINAL IN, overall_height: 1.1300 INCHES NOMINAL1.1300 INCHES NOMINAL IN, overall_length: 4.2700 INCHES NOMINAL4.2700 INCHES NOMINAL IN, style_designator: RECTANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-391-5205, 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
09A121-4
NSN: 5340-01-391-5205
FSC: 5340 — Hardware, Commercial
CAGE: 76823 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN IS DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE NITRILE
block_height0.5700 INCHES NOMINAL0.5700 INCHES NOMINAL IN
overall_width0.5000 INCHES NOMINAL0.5000 INCHES NOMINAL IN
overall_height1.1300 INCHES NOMINAL1.1300 INCHES NOMINAL IN
overall_length4.2700 INCHES NOMINAL4.2700 INCHES NOMINAL IN
style_designatorRECTANGULAR
mounting_facilityUNTHREADED HOLE(S)UNTHREADED HOLE(S)
clamping_hole_diameter0.3750 INCHES NOMINAL FOURTH HOLE IN
clamping_hole_quantity44
mounting_hole_diameter0.3220 INCHES NOMINAL0.3220 INCHES NOMINAL IN
mounting_hole_quantity33
material_document_and_classification-85052/1 MIL STD SINGLE MATERIAL RESPONSE AND -85449/1 MIL STD SINGLE MATERIAL RESPONSE
NSN5340-01-391-5205
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 09A121-4 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: 33
•
CLAMPING HOLE QUANTITY: 44
•
DISTANCE FROM END TO FIRST CLAMPING HOLE CENTER: 0.8100 INCHES NOMINAL IN
•
BLOCK HEIGHT: 0.5700 INCHES NOMINAL0.5700 INCHES NOMINAL IN
•
STYLE DESIGNATOR: RECTANGULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: -85052/1 MIL STD SINGLE MATERIAL RESPONSE AND -85449/1 MIL STD SINGLE MATERIAL RESPONSE
•
MOUNTING HOLE DIAMETER: 0.3220 INCHES NOMINAL0.3220 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY33
OVERALL HEIGHT1.1300 INCHES NOMINAL1.1300 INCHES NOMINAL IN
CLAMPING HOLE QUANTITY44
DISTANCE FROM END TO FIRST CLAMPING HOLE CENTER0.8100 INCHES NOMINAL IN
BLOCK HEIGHT0.5700 INCHES NOMINAL0.5700 INCHES NOMINAL IN
STYLE DESIGNATORRECTANGULAR
MATERIAL DOCUMENT AND CLASSIFICATION-85052/1 MIL STD SINGLE MATERIAL RESPONSE AND -85449/1 MIL STD SINGLE MATERIAL RESPONSE
MOUNTING HOLE DIAMETER0.3220 INCHES NOMINAL0.3220 INCHES NOMINAL IN
OVERALL LENGTH4.2700 INCHES NOMINAL4.2700 INCHES NOMINAL IN
OVERALL WIDTH0.5000 INCHES NOMINAL0.5000 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 09A121-4?
09A121-4 is a CLAMP,BLOCK.
What is the NSN for 09A121-4?
09A121-4 is cataloged in the U.S. Government catalog under NSN 5340-01-391-5205. This indicates validated use in U.S. government and defense supply chains.
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