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138181 — SWITCH,PRESSURE

✓ Government record, cited
Hama · MRO · MRO_GENERAL
PRODUCT OVERVIEW

138181: SWITCH,PRESSURE.

The SWITCH,PRESSURE is a Hama industrial component. Key specifications include diameter: 0.385 INCHES MINIMUM AND 0.392 INCHES MAXIMUM IN, material: ALUMINUM ALLOY CASE, case_style: SQUARE, seal_width: 0.312 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN, hole_diameter: 0.221 INCHES MINIMUM AND 0.231 INCHES MAXIMUM IN, overall_length: 2.725 INCHES MINIMUM AND 2.775 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-013-8181, 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
MRO→ MRO_GENERAL→ 138181
NSN: 5310-00-013-8181
NIINs: 000138181, 002442960, 003733907, 014752596
FSC: 5310 — Nuts and Washers
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
diameter0.385 INCHES MINIMUM AND 0.392 INCHES MAXIMUM IN
materialALUMINUM ALLOY CASE
case_styleSQUARE
seal_width0.312 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
hole_diameter0.221 INCHES MINIMUM AND 0.231 INCHES MAXIMUM IN
overall_length2.725 INCHES MINIMUM AND 2.775 INCHES MAXIMUM IN
shear_strength17600 DOUBLE POUND
hardness_rating46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
outside_diameter0.394 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
style_designatorSLOTTED
surface_treatmentANODIZE CASE
material_thickness0.077 INCHES NOMINAL IN
NSN5310-00-013-8181
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 138181 · Hama ⚠ 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: FLAT INTERNAL TEETH
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MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633,FS 1060 TO FS 1080 CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.394 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PHOSPHATE OVERALL
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MATERIAL: STEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1075 OR STEEL COMP 1080 OVERALL
•
HOLE DIAMETER: 0.221 INCHES MINIMUM AND 0.231 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORFLAT INTERNAL TEETH
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633,FS 1060 TO FS 1080 CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.394 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
MATERIAL THICKNESS0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
SURFACE TREATMENTPHOSPHATE OVERALL
MATERIALSTEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1075 OR STEEL COMP 1080 OVERALL
HOLE DIAMETER0.221 INCHES MINIMUM AND 0.231 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 138181?
138181 is a SWITCH,PRESSURE manufactured by Hama. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 138181?
138181 is cataloged in the U.S. Government catalog under NSN 5310-00-013-8181. This indicates validated use in U.S. government and defense supply chains.
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