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128835 — CELL ASSEMBLY,OPTICAL INSTRUMENT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

128835: CELL ASSEMBLY,OPTICAL INSTRUMENT.

CELL ASSEMBLY,OPTICAL INSTRUMENT. Key specifications include optical_element_type: COMPOUND LENS, cell_controlling_agency: USAF, cell_identifying_number: 140741 PART NO., end_item_identification: AN/AVQ-26, accessory_components_and_quantity: O-RING 2;RETAINER 1;SPACER 1. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-949-9299, 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
128835
NSN: 5310-00-949-9299
NIINs: 009499299, 010852387
FSC: 5310 — Nuts and Washers
CAGE: 04627 — HYSTER-YALE GROUP, INC. DIV HYSTER-YALE MATERIALS HANDLING (USA)
SPECIFICATIONS
optical_element_typeCOMPOUND LENS
cell_controlling_agencyUSAF
cell_identifying_number140741 PART NO.
end_item_identificationAN/AVQ-26
optical_element_quantity1
accessory_components_and_quantityO-RING 2;RETAINER 1;SPACER 1
NSN5310-00-949-9299
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 128835 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
OUTSIDE DIAMETER: 1.007 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.082 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 0.703 INCHES NOMINAL IN
TYPICAL APPLICATIONS
  • Data center switch-to-switch interconnects
  • Server-to-storage fabric connectivity
  • Long-distance fiber optic links
  • High-speed uplink connections (10G/25G/40G/100G)
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.156 INCHES NOMINAL IN
OUTSIDE DIAMETER1.007 INCHES NOMINAL IN
MATERIAL THICKNESS0.082 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL OVERALL
HOLE DIAMETER0.703 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 3
1941978Reference document
Same NSN cross-reference
Reference document — Secondary reference
71174Reference document
Same NSN cross-reference
Reference document — Secondary reference
R16171Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 128835?
128835 is a CELL ASSEMBLY,OPTICAL INSTRUMENT.
What parts can replace 128835?
There are 3 known substitutes for 128835: 1941978, 71174, R16171. Substitute compatibility should be verified for your specific system.
What is the NSN for 128835?
128835 is cataloged in the U.S. Government catalog under NSN 5310-00-949-9299. 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.