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88403 — WASHER,FLAT

✓ Government record, cited
InLine · NUT WASHER
PRODUCT OVERVIEW

88403: WASHER,FLAT.

Telecommunications companies such as Vodafone, Deutsche Glasfaser and Telekom are increasingly enabling fibre connections for private households in Germany. Fibre to the home (FTTH) cables from InLine connect the house transfer point with the fibre optic modem and ensure a reliable fibre optic connection in your home. Unfortunately, pre-installed cables from providers are often of poor quality and sometimes only 1.6mm thick.

If the cable breaks, even the fastest fibre optic connection will not help. InLine FTTH cables are 3mm thick and have a particularly stable structure. Additional reinforcement in the form of a stainless steel spiral tube guarantees a long-term, reliable fibre optic connection in private homes.

The neutral sheath colour white is suitable for inconspicuous installation in visible living areas. Different lengths up to 50m allow you to remain flexible, even if the position of the modem changes. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-435-5724, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
88403
NSN: 5310-00-435-5724
FSC: 5310 — Nuts and Washers
CAGE: 13873 — DLA AVIATION ENGINEERING DIV DEPARTMENT OF DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP 410 OVERALL
thickness0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
hole_diameter0.201 INCHES MINIMUM AND 0.207 INCHES MAXIMUM IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
overall_diameter0.300 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAMS 5504 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationPS-903,FSCM 11599 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-435-5724
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 88403 · InLine ⚠ 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: PS-903,FSCM 11599 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DIAMETER: 0.300 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5504 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 410 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONPS-903,FSCM 11599 MFR REF SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER0.300 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5504 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 410 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.201 INCHES MINIMUM AND 0.207 INCHES MAXIMUM IN
THICKNESS0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
Manufacturer release date (catalog record)2017-01-01
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 88403?
88403 is a WASHER,FLAT manufactured by InLine.
What is the NSN for 88403?
88403 is cataloged in the U.S. Government catalog under NSN 5310-00-435-5724. This indicates validated use in U.S. government and defense supply chains.
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