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Technical Data Sheet
PartsTable / COMPONENT / 1776-28
1776-28 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The SANDBAG SET,CERVICAL,X-RAY is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-186-1300, 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
1776-28
NSN: 5330-00-186-1300
FSC: 5330
CAGE: 96879 — TROSTEL ALBERT PACKING LTD (USA)
SPECIFICATIONS
special_featuresBRAND NAME DESCRIPTION AQ1 - 8 GAUGE;ADDITIONAL ITEM INFORMATION AQ1 23-3/8 X 19-3/4 X .008,R;REQUIRED MINIMUM ORDER QUANTITY 1;REQUIRED MULTIPLE ORDER QUANTITY 1
NSN5330-00-186-1300
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1776-28 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
•
PERIPHERAL DIAMETER: 2.451 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
•
CENTER HOLE DIAMETER: 2.102 INCHES MINIMUM AND 2.116 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
•
MATERIAL: LEATHER CATTLEHIDE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-W-5521 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
PERIPHERAL DIAMETER2.451 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
CENTER HOLE DIAMETER2.102 INCHES MINIMUM AND 2.116 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
MATERIALLEATHER CATTLEHIDE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-W-5521 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
QQ-A-200/11Interchangeable
interchangeable cross-reference
interchangeable
AMS-QQ-A-200/11Interchangeable
interchangeable cross-reference
interchangeable
LS4028Interchangeable
interchangeable cross-reference
interchangeable
CVCPICInterchangeable
interchangeable cross-reference
interchangeable
177628Interchangeable
interchangeable cross-reference
interchangeable
AN6291-28Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1776-28?
1776-28 is a SANDBAG SET,CERVICAL,X-RAY.
What parts can replace 1776-28?
There are 12 known substitutes for 1776-28: QQ-A-200/11, AMS-QQ-A-200/11, LS4028 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1776-28?
1776-28 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-186-1300. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026