PartsTable
Technical Data Sheet
71-1203 ✓ Verified by PartsTable
Intellinet · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

- Ventilation unit with four fans.<br>- With thermostat.<br>- Roof mounting.<br>- For floor standing cabinets.<br>- Black.<br>- Made in EU.<br>- Three-Year Warranty. Key specifications include material: STEEL OVERALL, overall_length: 3.000 INCHES NOMINAL IN, drive_end_shape: SQUARE FIRST END INTERNAL, style_designator: RIGID, features_provided: MANUAL TOOL, surface_treatment: CHROMIUM OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-186-0961, 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
71-1203
NSN: 5310-00-186-0961
FSC: 5310
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length3.000 INCHES NOMINAL IN
drive_end_shapeSQUARE FIRST END INTERNAL
style_designatorRIGID
features_providedMANUAL TOOL
surface_treatmentCHROMIUM OVERALL
drive_surface_size0.250 INCHES NOMINAL BOTH ENDS IN
nondefinitive_spec/std_data2 TYPE AND 2 CLASS
specification/standard_data0U583-SAE AS4283 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN5310-00-186-0961
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 71-1203 · Intellinet ⚠ 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
STYLE DESIGNATOR: KEY
EXTERNAL KEY QUANTITY: 11
OVERALL DISTANCE INCLUDING KEYS: 1.156 INCHES MAXIMUM IN
DEPARTURE FROM CITED DOCUMENT: AS MODIFIED BY THE OUTSIDE DIAMETER OR AS MODIFIED BY THE INTERNAL PREBENT KEY LENGTH OR AS MODIFIED BY THE EXTERNAL PREBENT KEY WIDTH
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
HOLE DIAMETER: 0.601 INCHES MINIMUM AND 0.616 INCHES MAXIMUM IN
EXTERNAL PREBENT KEY WIDTH: 0.108 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
OUTSIDE DIAMETER: 0.813 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORKEY
EXTERNAL KEY QUANTITY11
OVERALL DISTANCE INCLUDING KEYS1.156 INCHES MAXIMUM IN
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY THE OUTSIDE DIAMETER OR AS MODIFIED BY THE INTERNAL PREBENT KEY LENGTH OR AS MODIFIED BY THE EXTERNAL PREBENT KEY WIDTH
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
HOLE DIAMETER0.601 INCHES MINIMUM AND 0.616 INCHES MAXIMUM IN
EXTERNAL PREBENT KEY WIDTH0.108 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.813 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN
MATERIAL THICKNESS0.042 INCHES NOMINAL IN
MATERIALSTEEL COMP 1010 OR STEEL COMP 1012 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
112T389Interchangeable
interchangeable cross-reference
interchangeable
236-1017P3Interchangeable
interchangeable cross-reference
interchangeable
30-0087Interchangeable
interchangeable cross-reference
interchangeable
100-0025Interchangeable
interchangeable cross-reference
interchangeable
EC00Interchangeable
interchangeable cross-reference
interchangeable
4134000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 71-1203?
71-1203 is a UNIVERSAL JOINT,SOCKET WRENCH AT manufactured by Intellinet.
What parts can replace 71-1203?
There are 26 known substitutes for 71-1203: 112T389, 236-1017P3, 30-0087 and 23 more. Substitute compatibility should be verified for your specific system.
Is 71-1203 still available?
71-1203 is currently cancelled.
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