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12012138 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12012138: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, overall_width: 0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN, overall_height: 0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN, overall_length: 1.970 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN, special_features: INCLUDES ONE HOLE, 0.500 IN. MIN AND 0.590 IN.

MAX DIA IN, style_designator: RECTANGULAR. This part is cataloged in the U.S. Government catalog under NSN 5340-01-056-1248, 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
12012138
NSN: 5340-01-056-1248
NIINs: 010561248, 013783875
FSC: 5340 — Hardware, Commercial
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
overall_width0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN
overall_height0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN
overall_length1.970 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN
special_featuresINCLUDES ONE HOLE, 0.500 IN. MIN AND 0.590 IN. MAX DIA IN
style_designatorRECTANGULAR
material_document_and_classificationMIL-R-3065, 3BA715B13C12F19 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-056-1248
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12012138 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
•
STYLE DESIGNATOR: RECTANGULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-STD-417, TYPE R, CLASS RS, GRADE RS715BF2 MIL STD SINGLE MATERIAL RESPONSE
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.000 INCHES NOMINAL IN
STYLE DESIGNATORRECTANGULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-STD-417, TYPE R, CLASS RS, GRADE RS715BF2 MIL STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH2.000 INCHES NOMINAL IN
OVERALL WIDTH1.000 INCHES NOMINAL IN
SPECIAL FEATURESBRACKET,MOUNTING 12012136,PIN MS20392-7C51 AND PIN MS24665-285 ARE PROVIDED
END ITEM IDENTIFICATIONM109 HOWITZER FAMILY
MATERIALRUBBER
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12012138?
12012138 is a BUMPER.
What is the NSN for 12012138?
12012138 is cataloged in the U.S. Government catalog under NSN 5340-01-056-1248. This indicates validated use in U.S. government and defense supply chains.
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