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908-7633 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

908-7633: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR OVERALL, construction: TWO-PIECETWO-PIECE, overall_length: 36.960 INCHES MINIMUM AND 36.960 INCHES MINIMUM AND 37.040 INCHES MAXIMUM37.040 INCHES MAXIMUM IN, special_features: RETAINER CEMENTED TO SEALRETAINER CEMENTED TO SEAL, style_designator: STRIP, attachment_method: SLOTSLOT. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-645-7488, 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
908-7633
NSN: 5330-00-645-7488
NIINs: 006457488, 012531748
FSC: 5330 — Packing and Gasket Materials
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR OVERALL
constructionTWO-PIECETWO-PIECE
overall_length36.960 INCHES MINIMUM AND 36.960 INCHES MINIMUM AND 37.040 INCHES MAXIMUM37.040 INCHES MAXIMUM IN
special_featuresRETAINER CEMENTED TO SEALRETAINER CEMENTED TO SEAL
style_designatorSTRIP
attachment_methodSLOTSLOT
fabrication_methodSOLIDSOLID
attachment_feature_width0.130 INCHES MINIMUM AND 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM0.150 INCHES MAXIMUM IN
attachment_feature_length0.220 INCHES MINIMUM AND 0.220 INCHES MINIMUM AND 0.260 INCHES MAXIMUM0.260 INCHES MAXIMUM IN
attachment_feature_quantity66
material_document_and_classificationAMS 3241 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
attachment_feature_center_to_center_distance_along_width7.010 INCHES MINIMUM AND 7.010 INCHES MINIMUM AND 7.090 INCHES MAXIMUM7.090 INCHES MAXIMUM IN
NSN5330-00-645-7488
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 908-7633 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
•
ATTACHMENT FEATURE QUANTITY: 66
•
ATTACHMENT FEATURE LENGTH: 0.220 INCHES MINIMUM AND 0.220 INCHES MINIMUM AND 0.260 INCHES MAXIMUM0.260 INCHES MAXIMUM IN
•
ATTACHMENT FEATURE WIDTH: 0.130 INCHES MINIMUM AND 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM0.150 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: STRIP
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 3241 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
ATTACHMENT FEATURE CENTER TO CENTER DISTANCE ALONG WIDTH: 7.010 INCHES MINIMUM AND 7.010 INCHES MINIMUM AND 7.090 INCHES MAXIMUM7.090 INCHES MAXIMUM IN
•
ATTACHMENT FEATURE CENTER TO CENTER DISTANCE ALONG LENGTH: 7.010 INCHES MINIMUM AND 7.010 INCHES MINIMUM AND 7.090 INCHES MAXIMUM7.090 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
ATTACHMENT FEATURE QUANTITY66
ATTACHMENT FEATURE LENGTH0.220 INCHES MINIMUM AND 0.220 INCHES MINIMUM AND 0.260 INCHES MAXIMUM0.260 INCHES MAXIMUM IN
ATTACHMENT FEATURE WIDTH0.130 INCHES MINIMUM AND 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM0.150 INCHES MAXIMUM IN
STYLE DESIGNATORSTRIP
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3241 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH36.960 INCHES MINIMUM AND 36.960 INCHES MINIMUM AND 37.040 INCHES MAXIMUM37.040 INCHES MAXIMUM IN
ATTACHMENT FEATURE CENTER TO CENTER DISTANCE ALONG WIDTH7.010 INCHES MINIMUM AND 7.010 INCHES MINIMUM AND 7.090 INCHES MAXIMUM7.090 INCHES MAXIMUM IN
ATTACHMENT FEATURE CENTER TO CENTER DISTANCE ALONG LENGTH7.010 INCHES MINIMUM AND 7.010 INCHES MINIMUM AND 7.090 INCHES MAXIMUM7.090 INCHES MAXIMUM IN
SPECIAL FEATURESRETAINER CEMENTED TO SEALRETAINER CEMENTED TO SEAL
MATERIALRUBBER CHLOROPRENE CLASS CR OVERALL
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 908-7633?
908-7633 is a PACKING,PREFORMED.
What is the NSN for 908-7633?
908-7633 is cataloged in the U.S. Government catalog under NSN 5330-00-645-7488. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.