PartsTable
Technical Data Sheet
Download PDF

1-0928 — CIRCUIT BOARD,X-RAY APPARATUS

✓ Government record, cited
Trefl · ORING SEAL
PRODUCT OVERVIEW

1-0928: CIRCUIT BOARD,X-RAY APPARATUS.

The CIRCUIT BOARD,X-RAY APPARATUS is a Trefl industrial component. Key specifications include special_features: MOUNT FOR AIMPOINT QR RING, end_item_identification: AIMPOINT LPI, azimuth_adjustment_mechanism: NOT PROVIDED, elevation_adjustment_mechanism: NOT PROVIDED, instrument_light_accommodation: NOT PROVIDED, part_name_assigned_by_controlling_agency: AIMPOINT LPI-Q. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-044-2874, 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
1-0928
NSN: 5331-00-044-2874
NIINs: 000442874, 000929047, 001068755, 004837050, 006230834, 007895592, 013064372, 014203491, 015192130, 015515737, 015722006
FSC: 5331 — O-ring
CAGE: 72429 — MISSION SYSTEMS DAVENPORT INC. (USA)
SPECIFICATIONS
special_featuresMOUNT FOR AIMPOINT QR RING
end_item_identificationAIMPOINT LPI
azimuth_adjustment_mechanismNOT PROVIDED
elevation_adjustment_mechanismNOT PROVIDED
instrument_light_accommodationNOT PROVIDED
part_name_assigned_by_controlling_agencyAIMPOINT LPI-Q
NSN5331-00-044-2874
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1-0928 MFR: Trefl ⚠ 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
•
CROSS-SECTIONAL HEIGHT: 0.160 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 19.750 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.160 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
CENTER HOLE DIAMETER19.750 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 1-0928?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 1-0928?
1-0928 is a CIRCUIT BOARD,X-RAY APPARATUS manufactured by Trefl.
What is the NSN for 1-0928?
1-0928 is cataloged in the U.S. Government catalog under NSN 5331-00-044-2874. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 1-0928

✓ 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.