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91817937 — PLUG,PROTECTIVE,DUST AND MOISTUR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

91817937: PLUG,PROTECTIVE,DUST AND MOISTUR.

PLUG,PROTECTIVE,DUST AND MOISTUR. Key specifications include material: PLASTIC, special_features: ADHESIVE BACKED; RAPID PRESSURE EQUALIZATION VENT; OVERALL WIDTH 0.3 MM MAX; OVERALL DIA 29.0 MM NOM MM, part_name_assigned_by_controlling_agency: MEMBRANE VENT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-528-4958, 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
91817937
NSN: 5340-01-528-4958
FSC: 5340 — Hardware, Commercial
CAGE: F6481 — THALES SA (FRA)
SPECIFICATIONS
materialPLASTIC
special_featuresADHESIVE BACKED; RAPID PRESSURE EQUALIZATION VENT; OVERALL WIDTH 0.3 MM MAX; OVERALL DIA 29.0 MM NOM MM
part_name_assigned_by_controlling_agencyMEMBRANE VENT
NSN5340-01-528-4958
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 91817937 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
•
MATERIAL: PLASTIC
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESADHESIVE BACKED; RAPID PRESSURE EQUALIZATION VENT; OVERALL WIDTH 0.3 MM MAX; OVERALL DIA 29.0 MM NOM MM
PART NAME ASSIGNED BY CONTROLLING AGENCYMEMBRANE VENT
MATERIALPLASTIC
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 91817937?
91817937 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What is the NSN for 91817937?
91817937 is cataloged in the U.S. Government catalog under NSN 5340-01-528-4958. This indicates validated use in U.S. government and defense supply chains.
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