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Technical Data Sheet
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131999 — SUPPORT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

131999: SUPPORT.

The SUPPORT is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-118-6905, 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
131999
NSN: 5340-01-118-6905
FSC: 5340 — Hardware, Commercial
CAGE: 10138 — ASTRONAUTICS CORPORATION OF AMERICA (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCRES 303 QQ-S-764 CONDITION A PASSIVATE QQ-P-35,2.350 INCHES LONG,0.188 INCHES WIDE,2-56 UNC-2B 4 HOLES,1.875 INCHES DISTANCE CENTER TO CENTER BETWEEN HOLES ALONG LENGTH IN
NSN5340-01-118-6905
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 131999 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: CRES 303 QQ-S-764 CONDITION A PASSIVATE QQ-P-35,2.350 INCHES LONG,0.188 INCHES WIDE,2-56 UNC-2B 4 HOLES,1.875 INCHES DISTANCE CENTER TO CENTER BETWEEN HOLES ALONG LENGTH IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCRES 303 QQ-S-764 CONDITION A PASSIVATE QQ-P-35,2.350 INCHES LONG,0.188 INCHES WIDE,2-56 UNC-2B 4 HOLES,1.875 INCHES DISTANCE CENTER TO CENTER BETWEEN HOLES ALONG LENGTH 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 131999?
131999 is a SUPPORT.
What is the NSN for 131999?
131999 is cataloged in the U.S. Government catalog under NSN 5340-01-118-6905. This indicates validated use in U.S. government and defense supply chains.
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