Flat Washer

NSN: 5310-00-177-1156 | Model: AN961-416T

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes disk, valve, graphite impregnated and lubricated items.

NSN Properties and Flags

NATO Stock Number

5310-00-177-1156

DEMIL

Cross Sectional Shape

Rectangular

Hole Diameter

Between 0.225 inches and 0.275 inches

Edge Shape

Round

Center Hole Shape

Round

Thickness

Between 0.054 inches and 0.074 inches

Overall Diameter

Between 0.495 inches and 0.520 inches

End Application

W/s: engine, aircraft, f110-ge-100/129 (f-16c/d); aircraft, (ac-130h, mc-130h, ec-130e, hc-130); guided missile launching system, mk 26 (gmls); support equipment, b-1 aircraft; aircraft, c-2a (reprocured); trainer, b-1b aircraft; close in weapon system (ciws-phalanx); tactical air opns module (an/tyq (23)); deep submergence systems programs (dssp)

Material

Copper alloy 270 or copper alloy 268

Material Specification

Qq-w-321 1/2 hard federal specification 1st material response or qq-b-626 1/2 hard federal specification 2nd material response

Surface Treatment

Tin

Surface Treatment Specification

Mil-t-10727 type 1 military specification single treatment response

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

NSN 5310-00-177-1156 Datasheet

Supply Class (FSC):

Nuts And Washers

Cross Reference:

AN961-416T
817262
817262
AN961-416T
NASM961-416T

Cage Codes:

National Aerospace Standards (CAGE 80205)
Terex American Crane Corp (CAGE 49185)
American Hoist and Derrick Co (CAGE 02280)
Aeronautical Standards Group (CAGE 88044)

Replacements:

5310-00-177-1156 replaces 5310-00-286-0566

Schedule B & Trade:

Schedule B: 7415210000 (NAICS 332722)

Copper washers including spring washers not threaded
SITC: 69432

Washers (including spring washers) and similar articles, not threaded, of copper
End Use: 12300

Finished metal shapes

Identification:

HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

A - Item does not contain precious metal.

ADPE

- Represents items with no adp components

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:

NMFC:

194120 - Washers/gaskets/pckg dvcs noi
WCC:

713 - Metal hardware
SHC:

9 - Other or no special handling required (sh)
ADC:

A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
ACC:

B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater
LTL:

W - Rating variable
TCC:

Z - No special type of cargo code applicable

NSN Management Codes:

SOS
Sms
AAC
D
Quantity per pack
100
Unit of Measure
Ea
Shelf Life
N/A
Classification Control
U
MGMT_CTL
T2200x-
Repariability
This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $0.81 to $1.35..
Does NSN 5310-00-177-1156 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Army, Department Of The Air Force, U.s. Marine Corps, Department Of The Navy, U.s. Coast Guard, National Aeronautics and Space Administration, Austria, Lithuania, Poland, Brazil, Spain, Israel, Singapore, Australia, Canada, France, Germany, Republic Of Korea, United Kingdom, Netherlands, Portugal, Italy, Norway, Greece, Turkey, and Nato Maintenance and Supply Agency
What is the NIIN of NSN 5310-00-177-1156?
001771156 or 00-177-1156
Does NSN 5310-00-177-1156 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5310-00-177-1156?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Nov 21, 1969