National Item Identification Number

00-291-9897

National Stock Number

Item Name

WASHER,FLAT

Federal Supply Class

5310

Description

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 maximum 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.

Commercial and Government Entity Code (Supplier Data)

---

63810

---

---

1DF03

---

ABM EQUIPMENT AND SUPPLY INC
DBA HIGHWAY MANUFACTURING
333 SECOND STREET NE
HOPKINS
MN
55343
952-938-2889

---

27996

---

HEIL ENVIRONMENTAL INDUSTRIES
1425 HWY 25 N
49
TISHOMINGO
MS
38873
662-438-7800

---

60528

---

---

63810

---

---

66155

---

PORTA DRILL INC
3811 JOLIET ST
39-P
DENVER
CO
80239

---

Reference Numbers (Part Numbers)

1186A
11864
11864
11864
11864
11864
11864
11864
11864
11864
11864
118

Required Categories

Required Description