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1634AS201-1 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1634AS201-1: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 5.480 INCHES NOMINAL IN, length: 7.550 INCHES NOMINAL IN, surface_treatment: PRIMER AND ENAMEL, securing_device_type: SPECIAL, peripheral_shape_style: FOUR RADII SIDES, FOUR HOLES, material_document_and_classification: MIL-A-002550,SECTION 3 MIL SPEC ALL MATERIAL RESPONSES. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-397-6317, 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
1634AS201-1
NSN: 5340-01-397-6317
FSC: 5340 — Hardware, Commercial
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
width5.480 INCHES NOMINAL IN
length7.550 INCHES NOMINAL IN
surface_treatmentPRIMER AND ENAMEL
securing_device_typeSPECIAL
peripheral_shape_styleFOUR RADII SIDES, FOUR HOLES
material_document_and_classificationMIL-A-002550,SECTION 3 MIL SPEC ALL MATERIAL RESPONSES
surface_treatment_document_and_classificationTT-P-664 FED STD ALL TREATMENT RESPONSES AND TT-E-515 OR MIL-E-11195 COLOR A OF TABLE 1 FED STD ALL TREATMENT RESPONSES
NSN5340-01-397-6317
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1634AS201-1 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
•
LENGTH: 7.550 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: TT-P-664 FED STD ALL TREATMENT RESPONSES AND TT-E-515 OR MIL-E-11195 COLOR A OF TABLE 1 FED STD ALL TREATMENT RESPONSES
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-A-002550,SECTION 3 MIL SPEC ALL MATERIAL RESPONSES
•
SECURING DEVICE TYPE: SPECIAL
•
SURFACE TREATMENT: PRIMER AND ENAMEL
•
PERIPHERAL SHAPE STYLE: FOUR RADII SIDES, FOUR HOLES
•
WIDTH: 5.480 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LENGTH7.550 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONTT-P-664 FED STD ALL TREATMENT RESPONSES AND TT-E-515 OR MIL-E-11195 COLOR A OF TABLE 1 FED STD ALL TREATMENT RESPONSES
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-A-002550,SECTION 3 MIL SPEC ALL MATERIAL RESPONSES
SECURING DEVICE TYPESPECIAL
SPECIAL FEATURESITEM IS USED TO COVER THE FUZE DOOR ON THE BSU-85/B AIR INFLATABLE RETARTER FIN AND IS SECURED TO THE FIN BY A ROUND HEAD STUD P/N 1634AS202 AND SHEET SPRING NUT (SPEED NUT) P/N 1634AS203,ITEM IS 7.55 IN. LG.,5.48 IN. W.,0.894 IN H.,WT. 0.500 LBS.,ITEM IS PACKAGED AS REQUIRED IN ACCORDANCE WITH MIL-STD-2073-1 LBS
SURFACE TREATMENTPRIMER AND ENAMEL
PERIPHERAL SHAPE STYLEFOUR RADII SIDES, FOUR HOLES
WIDTH5.480 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 1
1634AS201Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1634AS201-1?
1634AS201-1 is a COVER,ACCESS.
What parts can replace 1634AS201-1?
There is 1 known substitute for 1634AS201-1: 1634AS201. Substitute compatibility should be verified for your specific system.
What is the NSN for 1634AS201-1?
1634AS201-1 is cataloged in the U.S. Government catalog under NSN 5340-01-397-6317. This indicates validated use in U.S. government and defense supply chains.
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